biddoc.pdf

RFP-26-49 Page 1 of 18 Revised September 2026

Solicitation Number: 26-49

Solicitation title: CONTRACTED ROOFTOP SOLAR PV SERVICES

Issued : October 2, 2026

Question deadline: October 16, 2026, 12 PM on www.bidnetdirect.com/colorado Please only enter one question per line #.

Proposal will be received until: October 30, 2026, 12 PM on www.bidnetdirect.com/colorado Please submit (1) pdf with the contractor name as the 1st word in the document name.

Goods or services to be delivered to or performed at: Arapahoe County Pre-Approved Weatherization Customers

Administrative questions not related to scope: Sophia Morlan, Purchasing Agent Email Address: SMorlan@arapahoegov.com

Contact with the requesting department may result in Contractor disqualification.

Documents included in this package: Request for Proposal

THE FOLLOWING INFORMATION MAY BE FOUND ON THE COUNTY PURCHASING WEB SITE:

• Arapahoe County General Terms and Conditions

• Federal Funding additional Terms and Conditions

• Sample Service Agreement

• Arapahoe County Purchasing Website

If any new tariffs, duties, or similar government-imposed charges or increases to existing tariffs, existing duties or similar existing government-imposed charges, affect the products outlined in this proposal prior to equipment shipment, a detailed explanation and documentation of costs impacted (freight, import duties, or specific material increases) that support any tariff surcharges shall be provided to the County for approval prior to ordering the products.

Purpose:

The Arapahoe County Weatherization Division respectfully request proposals from qualified, full-service solar companies/organizations for the installation of Rooftop Solar Photovoltaic (PV) systems for the low-income Weatherization Assistance Program.

Arapahoe County Finance Department Purchasing Division

5334 South Prince Street Littleton, Colorado 80120

REQUEST FOR PROPOSAL

COVER SHEET

http://www.bidnetdirect.com/colorado https://www.arapahoeco.gov/Finance/purchasing/General%20Terms%20and%20Conditions.pdf https://www.arapahoeco.gov/Finance/purchasing/Federal%20Funds%20Terms%20and%20Conditions.pdf https://www.arapahoeco.gov/Finance/purchasing/2022%20Sample%20Service%20Agreement.pdf https://www.arapahoeco.gov/your_county/county_departments/finance/purchasing.php

RFP-26-49 Page 2 of 18 Revised September 2026

APPLICABILITY. These General Terms and Conditions apply, but are not limited, to all bids, offers, proposals, qualifications, and quotations (hereinafter referred to as “Responses”) made to Arapahoe County (hereinafter referred to as “County”) by all prospective responders (herein after referred to as “Contractors”) in response, but not limited, to Requests for Bids, Requests for Proposals, Requests for Qualifications, and Requests for Quotations (hereinafter referred to as “Solicitations”).

GENERAL TERMS AND CONDITIONS. Contractors are required to submit their Responses in accordance with the following expressed conditions:

1. Contractors shall make all investigations necessary to thoroughly inform themselves regarding the facilities affected by the delivery of materials, equipment, and services. No plea of ignorance by the Contractor of conditions that exist or that may hereafter exist as a result of failure to fulfill the requirements of the contract documents will be accepted as the basis for varying the requirements or the compensation to the Contractor. The County will not be responsible for any expenses incurred by any Contractor in preparing and submitting its Response.

2. Contractors are advised that all County contracts are subject to all legal requirements contained in County Rules and Policies and Colorado State and Federal Statutes. When conflicts between this Solicitation and these legal documents occur, the highest authority shall prevail.

3. Successful Contractors shall be familiar and comply with all local, state, and federal directives, ordinances, rules, orders, and laws applicable to, and affected by, any awarded agreement.

4. Venue. Colorado law, rules, and regulations shall be applied in the interpretation, execution, and enforcement of this Solicitation and any awarded Agreement. Any provision included or incorporated herein by reference which conflicts with said laws, rules, and regulations shall be null and void. All suits or actions related to this Solicitation and any awarded Agreement shall be filed and proceedings held in the State of Colorado and exclusive venue shall be in Arapahoe County.

5. Variations and Exceptions. Contractors are required to state exactly what they intend to furnish to the County via this Solicitation and must indicate any variances to the terms, conditions, and specifications of this Solicitation no matter how slight in a separate electronic file submitted with the Response before the solicitation submission deadline. If variations are not stated in a file submitted before the solicitation deadline, it shall be construed that the Contractor’s Response fully complies with all conditions identified in this Solicitation. Contractors who qualify their Responses by requiring alternate contractual terms and conditions must include such alternate terms and conditions in their Offers. The County reserves the right to declare Contractors’ Responses as non-responsive if any of these alternate terms and conditions are in conflict with the County's terms and conditions, or if they are not in the best interests of the County.

6. Non-appropriation. Financial obligations of the County payable after the current fiscal year are contingent on funds for that purpose being appropriated or otherwise made available by the Arapahoe Board of County Commissioners. The County’s obligations under any awarded Agreement shall be from year to year only and shall not constitute a multiple-fiscal year direct or indirect debt or other financial obligation of the County within the meaning of Article X, Section 20 of the Colorado Constitution (TABOR) pursuant to C.R.S.§ 29-1-110. The awarded agreement will automatically terminate on January 1st of the first fiscal year for which funds are not appropriated. The County shall give the Contractor written notice of such non-appropriation.

7. Protection of Personal Identifying Information. In the event any awarded Agreement includes or requires the County to disclose to Contractor any Personal Identifying Information as defined in C.R.S. § 24- 73-101, Contractor shall comply with the applicable requirements of C.R.S. §§ 24-73-101, et seq., relating to third-party service providers.

Arapahoe County Finance Department Purchasing Division

5334 South Prince Street, Room 480 Littleton, Colorado 80120

GENERAL TERMS AND CONDITIONS

RFP-26-49 Page 3 of 18 Revised September 2026

8. No indemnification by Arapahoe County. The County is prohibited under Article XI, Section 1 of the Colorado Constitution from indemnifying anyone. Any term included in any awarded Agreement that requires the County to indemnify or hold Contractor harmless; requires the County to agree to binding arbitration; limits Contractor’s liability for damages resulting from death, bodily injury, or damage to tangible property shall be void ab initio. Any term included in any awarded Agreement that limits Contractor’s liability that is not void under this section shall apply only in excess of any insurance to be maintained under any awarded Agreement, and no insurance policy shall be interpreted as being subject to any limitations of liability of any awarded Agreement.

9. Indemnification. Contractor shall indemnify and hold harmless the County and its elected and appointed officials, officers, employees, agents, and assignees (the “Indemnified Parties”) as required under any awarded Agreement. Contractor’s obligation to indemnify, and to provide any extended insurance coverage where applicable, shall survive the completion of the scope of services, and shall survive the termination of any awarded agreement.

a. Confidential Information Indemnification. Disclosure or use of any County confidential information by Contractor may be cause for legal action by third parties against Contractor, the County, or their respective agents. Contractor shall indemnify, defend, and hold harmless the Indemnified Parties as required under any awarded agreement.

b. Intellectual Property Indemnification. Contractor shall indemnify, save, and hold harmless the Indemnified Parties in relation to any claim that any deliverable, good or service, software, or work provided by Contractor under any awarded Agreement (collectively, “IP Deliverables”), or the use thereof, infringes a patent, copyright, trademark, trade secret, or any other intellectual property right as required under any awarded Agreement. Contractor’s obligations shall not extend to the combination of any IP Deliverables provided by Contractor with any other product, system, or method, unless the other product, system, or method is (a) provided by Contractor or Contractor’s subsidiaries or affiliates; (b) specified by Contractor to work with the IP Deliverables; (c) reasonably required in order to use the IP Deliverables in its intended manner and the infringement could not have been avoided by substituting another reasonably available product, system, or method capable of performing the same function; or

(d) is reasonably expected to be used in combination with the IP Deliverables.

10. Confidential information. Contractors may designate specific pages or sections within their submission as trade secret or confidential commercial information or as otherwise protected by law (“Confidential Information”). Documents and data that are considered Confidential Information shall be clearly marked as such and separated from the rest of the Solicitation submission documents. Comingling is not acceptable. The County does not favor blanket assertions of Confidential Information. Please note that blanket assertions that merely classify and/or broadly claim information is confidential are insufficient as a matter of law. Any information that will be included in any resulting awarded agreement cannot be considered Confidential Information. Under no circumstances may submission pricing information be considered Confidential Information. In the event a formal agreement is entered into with the County and a portion of the Response carries a designation indicating the Contractor believes it is Confidential Information, then the County agrees that it will use its best efforts to forward any request for the disclosure of the Confidential Information to the Contractor. By submission of its /Response, Contractor agrees to promptly respond to the request for disclosure with any objections and reasons therefor in accordance with the Colorado Open Records Act 6 C.R.S. §§24-72-101 et seq. and any other applicable law. Further, Contractor agrees to assume the obligation to defend, hold harmless, and indemnify the Indemnified Parties in any legal proceeding that arises from non-disclosure of documents or data pursuant to the Contractor’s objection.

11. Arapahoe County intends and expects that the contracting processes of the County and its Contractors provide equal opportunity without regard to disability, race, creed, color, sex, religion, sex, sexual orientation, religion, age, national origin, ancestry, or any other characteristic protected by law.

Accordingly, the Contractor and their sub-contractors shall not discriminate on any of the foregoing grounds in the performance of any awarded agreement.

12. Governmental Immunity. Liability for claims for injuries to persons or property arising from the negligence of Arapahoe County, its departments, boards, commissions, committees, bureaus, offices, employees, and officials shall be governed by the provisions of the Colorado Governmental Immunity Act, §§24-10-101, et seq., C.R.S. (CGIA). No term or condition of the Agreement shall be construed or interpreted

RFP-26-49 Page 4 of 18 Revised September 2026 as a waiver, express or implied, of any of the immunities, rights, benefits, protections, or other provisions contained in the CGIA.

13. Tax exempt. Contractors shall not include federal, state, or local excise or sales taxes in prices offered, as the County is exempt from payment of such taxes. Materials purchased directly by the Contractor in conjunction with this contract will, however, be subject to applicable state and local sales taxes. The Contractor shall bear these taxes. Under no circumstances shall Contractor be authorized to use the County’s tax exemption number in acquiring such materials.

The County shall not be liable for the payment of any excise, sales, or use taxes. Arapahoe County is exempt from federal excise taxes under I.R.C. Chapter 32 (26 U.S.C., Subtitle D, Ch. 32) and from State and local government sales and use taxes under §§39-26-704(1), et seq.

14. Independent Contractor. Contractor shall be considered an independent contractor. An independent contractor is not entitled to worker’s compensation benefits and will be obligated to pay federal and state income tax on any monies earned pursuant to the contract relationship. Notwithstanding any provision appearing in any awarded agreement, all personnel assigned by the Contractor to provide services under the terms of such agreement shall be and remain at all times employees of the Contractor or employees of their respective employers for all purposes. The County may require the Contractor to remove an employee it deems careless, incompetent, insubordinate or otherwise objectionable.

15. By submitting its Response, Contractor warrants and certifies that he/she is eligible to submit a Response because he/she is not presently debarred, suspended, proposed for debarment, declared ineligible, or voluntarily excluded from participation in a transaction by any Federal, State, or local department or agency.

16. The County logo is trademarked and property solely of Arapahoe County. Contractors do not have permission to use the County logo on any documentation or presentation materials and to do so would be a violation of the trademark. It is also preferred that your company does not utilize its trademark as to not influence an evaluator’s evaluation.

17. Failure to Perform. The County may, by written notice to the successful Contractor, terminate any awarded agreement if the Contractor has been found to have failed to perform its service in a manner satisfactory to the County as per specifications, including delivery as specified. The date of termination shall be stated in the notice. The County shall be the sole judge of non-performance.

18. Rejection of Offers. The County may, at its sole discretion reject any and all, or parts of any or all, Offers submitted by prospective Contractors including, but not limited to, the following conditions:

The County chooses to re-advertise this Solicitation.

The County postpones or cancels the solicitation process.

Where the Contractor misstates or conceals any material fact in its Offer.

When an offer that does not strictly conform to the law or the requirements of this Solicitation.

Offer is missing documents, including, but not limited to, certificates, licenses, and/or samples, which are required for submission with the Offer; or Where communication is initiated by the Contractor or on a Contractor’s behalf regarding this

Solicitation to or with any County official or employee during the submission process, except as expressly set forth in this Solicitation. Prohibited communications initiated by a Contractor shall be grounds for eliminating the offending Contractor from consideration for award.

An Offer may not be accepted from, nor any contract be awarded to, any person or firm which is in arrears to the County upon any debt or contract or which is a defaulter as surety or otherwise upon any obligation to the County.

An Offer may not be accepted from, nor any contract awarded to, any person or firm which has failed to faithfully perform any previous contract with the County, state, or federal government, for a minimum period of three years after that previous contract was terminated for cause.

RFP-26-49 Page 5 of 18 Revised September 2026

SPECIAL TERMS AND CONDITIONS.

1. Purpose of Solicitation: Arapahoe County is issuing this Solicitation for the purpose of the installation of Rooftop Solar Photovoltaic (PV) systems for the low-income Weatherization Assistance Program. It is understood and agreed that the County may, during the term of the awarded agreement, request additional services be performed by the successful Contractor(s) at other locations within the County. This option, if exercised, is the prerogative of the County and shall be honored by the Contractor(s) throughout the contract period. No guarantees are made that additional services will be requested.

2. Prices proposed by the Contractor shall remain fixed and firm during the term of the awarded agreement. The term shall commence upon the date specified in the awarded agreement or purchase order and shall remain in effect until such time as all items/services purchased in conjunction with this Solicitation have been delivered and accepted by the County's authorized representative. It shall be understood and agreed that any warranty period which exceeds this term shall remain in full force for the duration of the warranty period.

3. Option to Renew for Subsequent Years: The prices or discounts quoted in this Solicitation shall prevail for one year from the effective date of the contract, at which time the County shall have the option to renew the contract for four (4) additional one-year periods; provided that the Contractor provided satisfactory performance during the contract period. Continuation of the awarded agreement beyond the initial period is a County prerogative and not a right of the Contractor. During the option period, the County will consider an adjustment to the pricing structure. For consideration, the Contractor must document that it was subject to a price adjustment by the product manufacturer or a direct wholesale supplier. Any price adjustments shall not exceed the amount being passed on.

4. Contractors are prohibited from directly or indirectly communicating with the Arapahoe County

Board of County Commissioners regarding their qualifications or any matter related to the eventual award of a contract for the good and/or services requested in this Solicitation. Contractors are prohibited from contacting County employees or evaluation committee members regarding their qualifications or the award of a contract unless in response to an inquiry from an employee or committee member as part of the formal evaluation process outlined in the Solicitation. Any violation of these provisions may result in the Contractor’s immediate disqualification from the selection process.

5. Due to the service level required in conjunction with this Solicitation, the Contractor may be required to maintain an office within the Metro Denver, Colorado, area. This office shall be staffed by a competent company representative who can be contacted during normal working hours and who is authorized to discuss matters pertaining to the awarded agreement. Metro Denver consists of the City and County of Denver, City and County of Broomfield, Adams County, Boulder County, Douglas County, Larimer County, El Paso County, and Gilpin County, Colorado.

6. Inspection of the Contractor’s facility may be made prior to award of the agreement. Solicitations will only be considered from firms which are engaged in the business of performing services as described in this Solicitation. The Contractors must be able to produce evidence that they have an established satisfactory record of performance for a reasonable period of time and have sufficient financial support, equipment, and organization to ensure that they can satisfactorily execute the services if awarded an agreement.

7. In its Response, Contractor shall be required to identify any and all sub-contractors that will be used in the performance of an awarded agreement resulting from this Solicitation. Contractor shall also identify the capabilities, experience, and portion of the work to be performed by any sub-contractor(s). The competency of the sub-contractor(s) with respect to skill, responsibility, and business standing will be considered by the County when making the award in the best interest of the County.

8. Responses to this Solicitation are considered to be working documents while they are under consideration and, as such, are not subject to official bid openings. The only information released at the public opening of Responses to this Solicitation will be the names of the respondents. Only after staff makes http://en.wikipedia.org/wiki/City_and_County_of_Denver%2C_Colorado http://en.wikipedia.org/wiki/City_and_County_of_Denver%2C_Colorado http://en.wikipedia.org/wiki/Adams_County%2C_Colorado http://en.wikipedia.org/wiki/Adams_County%2C_Colorado http://en.wikipedia.org/wiki/Douglas_County%2C_Colorado http://en.wikipedia.org/wiki/Gilpin_County%2C_Colorado

RFP-26-49 Page 6 of 18 Revised September 2026 an official recommendation of award and an agreement is fully executed will Responses to this Solicitation be available as public record.

9. Cooperative Purchasing. The County encourages and participates in cooperative purchasing endeavors undertaken by or on behalf of other governmental agencies including the Multiple Assembly of Procurement Officials (MAPO) and the Cooperative Educational Purchasing Council (CPEC). We hereby request that any member of MAPO/CEPC/Colorado governmental agency be permitted to avail itself of any awarded agreement and purchase, as specified by the awarded agreement resulting from this Solicitation, at the contract prices established therein. Each governmental entity shall establish its own contract, issue its own orders, be invoiced directly, make its own payments, and issue its own exemption certificates as required. It is understood and agreed that the County is not a legally binding party to any other contractual agreement made between another governmental entity and the successful Contractor as a result of this Solicitation. The County shall not be liable for any costs or damages incurred by any other entity.

10. Software Piracy Prohibition. The County or other public funds payable under any awarded agreement shall not be used for the acquisition, operation, or maintenance of computer software in violation of federal copyright laws or applicable licensing restrictions. Contractor hereby certifies and warrants that, during the term of any awarded agreement and any extensions, Contractor has and shall maintain in place appropriate systems and controls to prevent such improper use of public funds. If the County determines that Contractor is in violation of this provision, the County may exercise any remedy available at law or in equity or under the awarded agreement, including, without limitation, immediate termination of the agreement and any remedy consistent with federal copyright laws or applicable licensing restrictions.

11. Insurance. Contractor agrees to procure and maintain, during the life of any awarded agreement, a policy, or policies of insurance against all liability, claims, demands, and other obligations assumed by the Contractor. Contractor shall procure and maintain, during the life of the agreement, for itself and any sub- Contractor, the minimum insurance coverages required by the awarded agreement. The certificate of insurance provided by the selected Contractor shall be completed by the Contractor’s insurance agent as evidence that policies providing the required coverages, conditions, and minimum limits are in full force and effect and shall be reviewed and approved by the County prior to commencement of the agreement. No other form of certificate shall be used. The certificate shall identify awarded agreement and the coverages afforded under the policies. The certificate of insurance must be on file with the County prior to commencement of the agreement. The completed certificate of insurance must be sent to:

Jhanadu Garza, Risk Manager JGarza@Arapahoegov.com 5334 S. Prince St.

Littleton, CO 80120

FEDERAL FUNDS.

1. Federally funded projects (in whole or in part) shall be handled within the laws, rules, and regulations as promulgated by the United States Government, which includes Public Law http://uscode.house.gov; Code of Federal Regulations (CFR) codification of the general and permanent rules and regulations https://www.ecfr.gov, but is not limited to: Title 2: Grants and Agreements: Part 200 Uniform Administrative Requirements, Cost Principles, and Audit Requirements for Federal Awards Subpart F Appendix II and Uniform Grant Guidance as amended.

2. Federal Compliance - This Solicitation will be funded, in whole or in part, with an award of federal funds.

Contractor shall comply with all applicable federal laws, regulations, and requirements. These include but are not limited to compliance with the following laws and regulations:

1) Contract Work Hours and Safety Standards Act (40 U.S.C. 3701-3708). If this Agreement is in excess of $100,000 and involves the employment or mechanics or laborers, Contractor must comply with provisions of 40 U.S.C. 3702, as supplemented by Department of Labor regulations (29 CFR Part 5).

mailto:JGarza@Arapahoegov.com

RFP-26-49 Page 7 of 18 Revised September 2026

2) Rights to Inventions Made Under a Contract or Agreement. If this Agreement is an agreement with a small business firm or nonprofit organization for performance of experimental, developmental, or research, Contractor must comply with the requirements or 37 CFR Part 401, “Rights to Inventions Made by Nonprofit organizations and Small Business Firms Under Government Grants, Contracts and Cooperative Agreements,” and any Implementing regulations issued by the awarding agency.

3) Clean Air Act (42 U.S.C. 7401 – 7671q.) and the Federal Water Pollution Control Act (33 U.S.C.

1251-1387). If this Agreement is in excess of $150,000, the Contractor is required to comply with all applicable standards, orders or regulations issued pursuant to the Clean Air Act as amended (42 U.S.C.

7401- 7671q) and the Federal Water Pollution Control Act as amended (33 U.S.C. 1251-1387). Violations must be reported to the Federal awarding agency of the federal funds for this Agreement and the Regional Office of the Environmental Protection Agency (EPA).

4) Debarment and Suspension (Executive Orders 12549 and 12689). The County is prohibited to from entering into this Agreement with a party listed on the government wide exclusions in the System for Award Management (SAM), in accordance with the OMB guidelines at 2 CFR 180 that implement Executive Orders 12549 (3 CFR part 1986 Comp., p. 189) and 12689 (3 CFR part 1989 Comp., p. 235), “Debarment and Suspension.” SAM Exclusions contains the names of parties debarred, suspended, or otherwise excluded by agencies, as well as parties declared ineligible under statutory or regulatory authority other than Executive Order 12549.

5) Byrd Anti-Lobbying Amendment (31 U.S.C. 1352). If this Agreement is for compensation in excess of $100,000, Contractor must file the required certification with the County that it will not and has not used Federal appropriated funds received by the Contractor to pay any person or organization for influencing or attempting to influence an officer or employee or any agency, a member of Congress, officer or employee of Congress, or an employee or a member of Congress in connection with obtaining any Federal contract, grant or any other award covered by 31 U.S.C. 1352. Contractor must also disclose to the County any lobbying with non-Federal funds that takes place in connection with obtaining any Federal award.

6) Procurement of Recovered Material (2 CFR CH. II §200.322). Contractor must 1) comply with section 6002 of the Solid Waste Disposal Act, as amended by the Resource Conservation and Recovery Act. The requirements of Section 6002 include procuring only items designated in guidelines of the Environmental Protection Agency (EPA) at 40 CFR part 247 that contain the highest percentage of recovered materials practicable, consistent with maintaining a satisfactory level of competition, where the purchase price of the item exceeds $10,000 or the value of the quantity acquired during the preceding fiscal year exceeded $10,000; 2) procuring solid waste management services in a manner that maximizes energy and resource recovery; and 3) establishing an affirmative procurement program for procurement of recovered materials identified in the EPA guidelines.

7) Equal Employment Opportunity. If this Agreement is a construction contract Contractor is required to comply with the equal opportunity clause provided under 41 CFR 60-1.4(b), in accordance with Executive Order 11246, “Equal Employment Opportunity” (30 FR 12319, 12935, 3 CFR Part, 1964-1965 Comp., p. 339), as amended by Executive Order 11246, “Amending Executive Order 11246 Relating to Equal Employment Opportunity,” and Implementing regulations at 41 CFR part 60, “Office or Federal Contract Compliance Programs, Equal Employment Opportunity, Department of Labor.”

8) Davis-Bacon Act, as amended (40 U.S.C. 3141-3148). If this Agreement is prime construction contract in excess of $2,000, Contractor is required to comply with the Davis-Bacon Act (40 U.S.C. 3141- 3144, and 3146-3148) as supplemented by Department of Labor Regulations (29 CFR Part 5, “Labor Standards Provisions Applicable to Contracts Covering Federally Financed and Assisted Construction”).

RFP-26-49 Page 8 of 18 Revised September 2026

ADMINISTRATIVE INFORMATION.

1. Arapahoe County officially distributes Solicitation documents through the Rocky Mountain E- Purchasing System Bidnetdirect.com/Colorado. Copies of solicitations obtained from any other source are not considered official copies. Only those Contractors who obtain Solicitation documents from the Rocky Mountain E-Purchasing System will be in receipt of officially posted and relevant information regarding solicitations issued by the County. The County cannot be held responsible for incorrect information, nor can it attest to the accuracy of information, found on websites other than the Rocky Mountain E-Purchasing System.

2. Questions which arise during the Response preparation period regarding issues around this

Solicitation, purchasing, and/or award should be directed electronically, via the Rocky Mountain E- Purchasing system. Contractor submitting the question(s) shall be responsible for ensuring that the question(s) is received by the date and time listed above for consideration. Please only enter one question per line on the Bidnetdirect.com/Colorado web site.

3. The County shall issue a written addendum if substantial changes which impact the technical submission of Responses are required. Addenda will be posted on the Rocky Mountain E-Purchasing System web site (Bidnetdirect.com/Colorado). Contractors are responsible for revisiting this website prior to the Solicitation due date.

4. Contractors may offer a cash discount for prompt payment. If the Contractor does not enter a percentage discount, it is hereby understood and agreed that the County will typically pay net 30, however, for this contract payment terms shall be stated as net forty five (45) days, effective on the date that the County receives an accurate invoice or accepts the products, whichever is the later date. Payment is deemed to be made on the date of the mailing of the check or electronic transfer.

5. Prices, quotes, and deliveries are to be FOB destination, freight prepaid, and shall require inside delivery unless otherwise specified in the Solicitation’s Special Terms and Conditions. Title and risk of loss shall pass to the County upon inspection and acceptance by the County at its designated point of delivery, unless otherwise specified in the Special Terms and Conditions. If the Contractor defaults on its contract or the contract is terminated for cause due to performance, the County reserves the right to re-procure the materials or services from the next lowest Contractor or from other sources during the remaining term of the terminated/defaulted contract.

6. Method of Award - Best Evaluative Score Based on Written Response. The County is a best value agency. The intent of the County to award this Solicitation to the responsive responsible proposer that meets or exceeds the specifications and requirements as determined by the County's Evaluation Committee.

If it is in the best interest of the County, the Evaluation Committee may invite a limited number of

Contractors who received the highest scores during the written phase to provide an oral presentation and discussion. The number of Contractors who may be invited to participate in this discussion will be determined by the Evaluation Committee at its sole discretion.

The County reserves the right to conduct negotiations with Contractors and to accept revisions of

Responses. During this negotiation period, the County will not disclose any information derived from Responses submitted, or from discussions with other Contractors. Once an award is made, the Solicitation file and Responses contained therein are in the public record.

RFP-26-49 Page 9 of 18 Revised September 2026

I. BACKGROUND

The Arapahoe County Weatherization Division is seeking responses from qualified, full-service, solar companies/organizations for the installation of Rooftop Solar Photovoltaic (PV) systems for the low-income Weatherization Assistance Program.

Arapahoe County Weatherization will provide work orders to the selected Contractor (s) for approved Weatherization (WX) customers who are income-eligible to receive free Weatherization Services.

The initial work order will include WX customer contact information, information from initial rooftop solar suitability assessment conducted by WX auditors, including pictures, utility usage report for electricity usage with customer account and premise numbers. Contractor(s) will be responsible for completing the suitability site assessment of WX customers’ homes, scheduling any associated appointments with WX customers, and submitting a completed suitability assessment, which will include the results of the site assessment, completion of provided/required rooftop solar PV sizing calculator for those WX customers’ homes suitable for installation.

Upon review and approval of the Contractor’s site assessment, Arapahoe County Weatherization will provide a second work order to Contractor(s) for the installation of the rooftop solar PV system that includes obtaining all necessary building permits, completion of the Xcel Energy Solar*Rewards Application (or any other utility companies solar application as applicable), the installation, completion of local jurisdiction inspections, and interconnection of the system.

II. SCOPE OF WORK AND DELIVERABLES

The primary objective of the Colorado Energy Office (CEO) Rooftop Solar PV Project is to integrate rooftop solar PV into the low-income weatherization assistance program thereby decreasing participating low-income customers’ natural gas and electric energy cost burden. Solar*Rewards upfront incentives and production-based incentives issued by Xcel Energy and all incentives issued by other utilities to the participating low-income customers in this project will be assigned to the CEO.

Rooftop Solar PV Services must include the following:

• All rooftop solar systems must achieve a savings to investment ratio (SIR) of 1.0 or greater, per the U.S.

Department of Energy’s (DOE) requirements, to be installed.

• All equipment must be new, and UL CERTIFIED and listed on the Go Solar California website at http://www.gosolarcalifornia.ca.gov/.

• Each installed system will be no smaller than 1.8 kW and no larger than 6.0 kW.

• PV systems will yield a weighted average generation capacity factor of at least fourteen (14) percent using the National Renewable Energy Laboratory’s (NREL) PVWatts® Calculator (to be provided to selected Contractor (s)).

• PV systems may not generate more than 75 percent of the electricity used by the WX customer during a typical year as shown by reviewing the WX customer’s most recent electric usage (to be provided to selected Contractor (s)).

Arapahoe County Finance Department Purchasing Division

5334 South Prince Street, Room 480 Littleton, Colorado 80120

SPECIFICATION FORM

RFP-26-49 Page 10 of 18 Revised September 2026

• Adherence and compliance with Xcel Energy’s Solar*Rewards Program Requirements unless otherwise stated, including submission of Rooftop Solar PV Application through online portal designated for low-income project, and interconnectivity requirements.

• All Solar*Rewards upfront incentives and production-based incentives issued by Xcel Energy and all incentives issued by other utilities to the low-income customers will be assigned to the CEO.

• All Rooftop PV systems must carry at least a five (5) year workmanship warranty from the manufacturer and selected Contractor (s) that includes parts and labor. Warranty shall start on the date of weatherization agency’s final inspection.

• PV modules must carry at least a ten (10) year manufacturer’s product warranty, and at least a twenty

(20) year manufacturer’s performance/output warranty that modules will generate no less than 80% of rated output under Standard Testing Conditions (STC).

• Inverters shall be UL 1741 Certified, and shall be, at a minimum, string inverters with DC optimizers or micro-inverters, and must have a minimum ten (10) year warranty.

• All Rooftop PV systems will include theft deterrent devices, such as break away nuts and bolts, that will not void the PV panel/module manufacturer’s product warranty or production warranty.

• Contractor shall provide site assessment, installation, and warranty services during normal working hours at a minimum. Normal working hours are defined as Monday through Friday, 7:00 a.m. through 6:00 p.m. Mountain Time.

• Contractor will ensure that personnel are prepared and capable to instruct the WX customer on system operations, provide all warranty information and operating manuals to the WX customer and to weatherization agency upon request.

• Contractor will ensure that installed system is operating properly.

• Contractor is solely responsible for determining the techniques, means, methods, and materials of installation to meet the requirements of this solicitation and subsequent contract(s). All work shall comply with the following standards, regulations, policies, and procedures:

o OSHA worker safety regulations (29 CFR 1910 & 1926).

o CEO-Wx Field Policies and Procedures o DOE Federal Regulations: https://www.energy.gov/eere/wipo/weatherization-program-guidance and http://www.waptac.org/Rules-and-Regulations/Federal-Regulations.aspx.

o Excel Energy’s Solar Rewards Program Requirements:

(https://www.xcelenergy.com/programs_and_rebates/residential_programs_and_rebates/r enewable_energy_options_residential/solar/available_solar_options/on_your_home_or_in_ your_yard/solar_rewards_for_residences).

o EPA lead-safe renovation requirements (http://www.epa.gov/lead/pubs/renovation.htm) and the EPA Renovation, Repair and Painting Rule (https://www.epa.gov/enforcement/lead-renovation-repair-and-painting-rule-february-2014).

o All DOE requirements for lead-based paint safe work practices.

o NESC (National Electrical Safety Code), ANSI (American National Standards Institute), IEEE

(Institute of Electrical and Electronic Engineers), NEC (National Electrical Code), UL (Underwriter’s Laboratory) as well as local code requirements.

http://www.waptac.org/Rules-and-Regulations/Federal-Regulations.aspx file:///%5C%5Cco.arapahoe.co.us%5CFinance%5CFins%5C50_PURCHASING%5C_Solicitations%5C2026%5C26-XX%20Contracted%20Rooftop%20Solar%20PV%20Services%20-%20WX%20-%20SM%5CRFP%5C(https:%5Cwww.xcelenergy.com%5Cprograms_and_rebates%5Cresidential_programs_and_rebates%5Crenewable_energy_options_residential%5Csolar%5Cavailable_solar_options%5Con_your_home_or_in_your_yard%5Csolar_rewards_for_residences).

file:///%5C%5Cco.arapahoe.co.us%5CFinance%5CFins%5C50_PURCHASING%5C_Solicitations%5C2026%5C26-XX%20Contracted%20Rooftop%20Solar%20PV%20Services%20-%20WX%20-%20SM%5CRFP%5C(https:%5Cwww.xcelenergy.com%5Cprograms_and_rebates%5Cresidential_programs_and_rebates%5Crenewable_energy_options_residential%5Csolar%5Cavailable_solar_options%5Con_your_home_or_in_your_yard%5Csolar_rewards_for_residences).

file:///%5C%5Cco.arapahoe.co.us%5CFinance%5CFins%5C50_PURCHASING%5C_Solicitations%5C2026%5C26-XX%20Contracted%20Rooftop%20Solar%20PV%20Services%20-%20WX%20-%20SM%5CRFP%5C(https:%5Cwww.xcelenergy.com%5Cprograms_and_rebates%5Cresidential_programs_and_rebates%5Crenewable_energy_options_residential%5Csolar%5Cavailable_solar_options%5Con_your_home_or_in_your_yard%5Csolar_rewards_for_residences).

RFP-26-49 Page 11 of 18 Revised September 2026

CONTRACTOR RESPONSIBILITIES

• Contractor will provide Manufacturer’s Specification Sheets for each type of PV panel/module proposed in response, including warranty information, with submittal.

• Contractor will provide Manufacturer’s Specification Sheets for each type of inverter proposed in response, including warranty information, with submittal.

• Contractor will provide Manufacturer’s Specification Sheets for the mounting frames, brackets, and any other roof mounting equipment for the installation of the rooftop solar PV system, including warranty information, with submittal.

• Contractor agrees not to involve Arapahoe County in any advertising without the expressed, written permission for such use from the County.

• Contractor will provide all labor, materials, permits, supplies, equipment, and supervision required to design, furnish, construct, and commission the rooftop solar PV system, including all necessary devices and connections between inverter and main electrical service.

• Contractor will provide electronic format as-built versions of the submittals and drawings, including shade analyses.

• Contractor will provide Installation drawings and field wiring diagrams.

• Confidentiality of all eligible WX customers served by the Contractor is required in accordance with the Privacy Act of 1974. Contractors shall be responsible for the privacy of all data disclosed to them as necessitated to participate in this project.

• Contractor shall conduct background checks on any persons entering a WX customer’s home or working at a WX customer’s home, at Contractor ’s sole expense, and be able to provide proof of said background checks if requested by the County.

• Contractor shall agree to attend any pertinent meetings/conference calls as deemed necessary by the

County, the CEO, and/or utility company.

• Invoices submitted by Contractor will be authorized for payment only after all required forms and documents have been submitted, and the County verifies that all work is completed and conforms to the project standards and requirements as well as the appropriate CEO-WAP Field Work Standards.

• Callbacks required solely due to Contractor error and/or deficiencies in Contractor work will be performed promptly, and Contractor will be responsible for all associated expenses.

• Contractor shall maintain general liability, automobile, and workman’s compensation insurance with Arapahoe County listed as a Certificate Holder and shall provide proof of said insurance coverage at time of contract.

• Contractor shall not be presently debarred, suspended, proposed for debarment, declared ineligible, or voluntarily excluded from covered transactions by any Federal department or agency. Contractor shall not enter any contract or subcontract in connection with this Contract with a party that has been debarred or suspended from contracting with the Federal Government or the State of Colorado. See Excluded Parties List System at https://www.sam.gov.

RFP-26-49 Page 12 of 18 Revised September 2026

III. REQUIRED DOCUMENTATION

Failure to provide the required documentation may result in the disqualification of your submittal.

• Copies of the North American Board of Certified Energy Practitioners (NABCEP) solar certifications for employees, subcontractors, and/or volunteers included in submittal, and electrical licenses for employees, subcontractors, and/or volunteers included in submittal.

• List of all subcontractors that will be used in the performance of work resulting from this Solicitation shall be included in submittal.

• Copies of certificate of Corporation, Limited Liability Partnership, etc. registered with State of incorporation or other form of documentation as proof of being an established business.

• Proof of meeting local office requirements included in submittal.

IV. RESPONSE FORMAT

SUBMISSION OF RESPONSES: ONE (1) electronic submittal must be submitted online via at www.bidnetdirect.com/colorado . It is the responsibility of the contractor to ensure that t h e electronic proposal is submitted prior to the proposal closing time. No physical submissions will be accepted.

Please name your pdf file with your company name as the first word(s).

Provide submittal without reference to Arapahoe County logo.

TABLE OF CONTENTS

COMPANY INFORMATION & EXECUTIVE SUMMARY

1) Profile of the Firm – Include the following for the office this work would originate from:

a. Size of the Firm and size of local office (if applicable)

b. Location of the office, where the work on this engagement is to be performed

c. Identify the staff who will be assigned to the engagement.

d. Identify the points that make your firm uniquely qualified for this engagement.

e. Provide any substantiated complaints against the firm in the last 3 years and any outstanding litigation.

SIGNATURE FORMS AND REQUIRED DOCUMENTATION

1) Completed Submittal Form

2) Completed Pricing Form

3) Certificate of Liability Insurance

4) Required Documentation

The Evaluation Committee will evaluate and score responses based on the following criteria. Please include documentation to support each section.

EXPERIENCE & QUALIFICATIONS – 15%

Indicate knowledge and experience with residential rooftop solar PV systems from site assessment, design, obtaining permits, and adhering to local code requirements through installation of a fully operational system.

Indicate knowledge and experience working with Xcel Energy’s Solar*Rewards program, i.e., number of applications submitted in last twelve months that resulted in operational systems.

Contractor must be able to provide evidence that they have an established satisfactory record of performance for a reasonable period and have sufficient financial support, equipment, and organization to ensure that they can satisfactorily execute these services if awarded a contract.

RFP-26-49 Page 13 of 18 Revised September 2026

PERFORMANCE – 15%

Provide a brief, objective company performance assessment citing history and your capability to meet production goals and quality standards within a given time. Additionally, provide information indicating your company’s warranty periods for workmanship, PV modules/panel – product and performance/output, and inverters.

Provide a short list of at least three similar residential rooftop solar PV installations performed in the last two years: include addresses of the installations, contact names and phone numbers/email addresses, the number of days projected to complete job, the actual days it took to complete job, the budget for job, the actual cost of job, and the number of days to submit invoice for job.

EMPLOYEES AND SUBCONTRACTORS – 15%

Identify all employees, by job titles and associated duties, who will be used in the performance of the work set forth in this solicitation. Specifically, provide the personal resumes to include relevant qualifications and certifications, for at least the two key staff members who may serve as the Chief Official and Project Manager, and will have significant responsibility in the successful completion of the work set forth in this solicitation.

In addition, please identify all sub-contractors who will be used in the performance of the work set forth in this solicitation. If sub-contracting with another firm, please list firm name, contact information, number of years you have sub-contracted with firm, the work the firm will perform, capabilities, and business standing.

If sub-contracting with individuals, please list individuals, contact information, number of years you have sub-contracted with individual, the work the individual will perform, capabilities, qualifications, licenses, and certifications. Finally, for both employees and sub-contractors, provide a brief overview regarding how your company ensures quality workmanship and customer satisfaction.

CAPACITY – 15%

Based on the information provided in this solicitation, provide a brief narrative detailing how your company/organization will approach this project to ensure quality workmanship and on-time completion of each rooftop solar PV job.

Include resources, methods, procedures, and practices your company/organization use that may set you apart from other companies/organizations that may be responding to this solicitation.

COSTS – 40%

Complete the provided Pricing Form; insert “NB” (no bid) next to any services for which Contractor does not wish to be considered.

RFP-26-49 Page 14 of 18 Revised September 2026

I. PRICING

Customized Rooftop Solar PV Systems:

1. Please provide a per Watt DC cost to customize a rooftop solar PV system that is between 1.8 kW-DC and 6.0 kW-DC in size. Include all equipment, materials, supplies, and labor for an operational and interconnected system, including stamped engineered structural roof analysis, theft deterrent devices, i.e., break away nuts and bolts, and utility application fees. Do not include local building permit costs.

Please specify the type or types of PV module/panel(s) with the maximum power rating (PMAX) that you propose to use for this project, and that are included in your…