RNG Upgrade Procurement, Construction, and Commissioning
Closed State & local contract opportunity Posted
- Solicitation number
- 326024
- State
- Wisconsin
- Responses due
Opportunity facts
- Jurisdictions
- NIGP codes
- 05520 Conversion Kits And Systems For Cng, Lpg, Etc. Gases
- 05572 Propane/Butane Or Natural Gas Conversion Equipment
- 22015 Flow Controllers, Indicators, Calibrators, And Recorders (For Air And Gases)
- 40513 Gas, Natural (Incl. Compressed Natural Gas (Cng))
- 72033 Gasoline, Compressed Natural Gas (Cng), Liquefied Petroleum Gas (Lpg), And Diesel Fuel Pumps, Service Station Type
- 91125 C.i.p., Energy Management System
- 912 Construction Services, General, Including Maintenance And Repair Services)
- 98846 Landfill Services
- UNSPSC codes
- 41112500 Liquid and gas flow measuring and observing instruments
- 76122001 Landfill for non hazardous generic waste
- 41112517 Optical flowmeter and accessories
- 41112503 Rotameters
- 27112916 Liquid fuel dispenser or gasoline pump
- 72153301 Gasoline pump installation service
- 41103309 Flow injection analysis equipment
- 41103323 Open channel acoustic flowmeter
- 41103325 Visual fluid flow apparatus
- 41112501 Flowmeters
Show all 37
- 41112510 Sight flow indicators
- 41112511 Sight flow windows
- 41112512 Flow computers or totalizers
- 41112513 Orifice plate
- 41112518 Pump efficiency testing equipment
- 41112520 Fire pump flow meter
- 41112521 Calibration column
- 12181602 Natural oils
- 15111511 Liquefied natural gas LNG
- 15111512 Compressed natural gas CNG
- 72153300 Service station equipment installation and maintenance services
- 40141615 Flap valves
- 40141616 Valve parts or accessories
- 40141731 Nozzles
- 40141743 Nozzle tips or caps
- 76121602 Sanitary landfill operations
- 76122002 Landfill for non hazardous special waste
- 41112519 Pitot gauge
- 41112502 Rheometers
- 41112523 Fuel flowmeter
- 41113119 Dissolved carbon dioxide analyzers
- 41113120 Carbon monoxide analyzer
- 27112920 Forecourt equipment
- 40151532 Fuel pumps
- 72153302 Diesel pump installation service
- 76122000 Landfill services
- 76122004 Landfill for low risk hazardous or universal waste
- Point of contact
-
- John Welch welch@countyofdane.com (608) 516-4154
Opportunity details come from procurement.opengov.com. Updated .
About this opportunity
Dane County is soliciting proposals to replace its existing Renewable Natural Gas facility, including procurement, construction, and commissioning, with proposals due September 3, 2026 at 2:00 p.m. Work will be performed under a negotiated professional services agreement.
The scope is replacement of aging nitrogen and carbon removal units (NRU and CRU) with current-generation technology for RNG production from landfill gas sources, or alternatively, equipment upgrades to the existing facility. The current Pressure Swing Adsorption (PSA) system, commissioned in 2019 and operated by Dane County Waste + Renewable staff since 2021, has reached the end of its useful life. The facility currently operates two adsorber trains with maximum capacity of 6,250 cubic meters per hour at operating temperatures capped at 55°C and pressures between 20 and 35 mbar. Projected landfill gas volumes are expected to exceed current facility capacity in the near future, necessitating expansion. The facility is located at 7242 Maahic Way, Madison, Wisconsin.
Proposers must demonstrate demonstrated experience providing RNG production systems from landfill gas biogas in cold climates and capacity to manage projects of similar scope and complexity. Selected firms will coordinate closely with Dane County Waste + Renewable project and operations staff and must comply with all applicable local ordinances and permitting requirements.
An optional pre-proposal site meeting is scheduled for August 21, 2026 at 2:00 p.m. at 7102 Maahic Way, Madison. All questions must be submitted by August 24, 2026. Dane County has provided detailed technical specifications including equipment inventory, facility site maps, gas sample analysis (Spring 2025), process flow diagrams, and recent utility statements (March 2026) showing combined monthly operational costs of approximately $146,900 across three accounts.
Opportunity text
Dane County is seeking proposals from qualified firms to replace Dane County's existing Renewable Natural Gas (RNG) facility, including procurement, construction, and commissioning. The facility is located at 7242 Maahic Way, Madison, WI 53718. Work will be performed under a negotiated professional services agreement. Proposals for upgrading existing equipment will also be considered.
The purpose of this engagement is to replace current nitrogen and carbon removal units (NRU and CRU) with the most efficient current technology for RNG production from landfill gas (LFG) sources and increase LFG processing capacity. Selected Firm will be expected to coordinate closely with Dane County Waste + Renewable (W+R) project and operations staff and must comply with all applicable local ordinances or local permitting requirements.
Interested proposers should have demonstrated experience in providing systems for RNG Production from LFG biogas in cold climates and must show capacity to manage projects of similar scope and complexity. An optional pre-proposal site meeting is scheduled for Friday, August 21, 2026 at 2:00 pm at 7102 Maahic Way, Madison, WI 53718, and all questions must be submitted by Monday, August 24, 2026. Proposals are due by Thursday, September 3, 2026 at 2:00 pm.
Purpose
The purpose of this work is to address aging infrastructure and expand capacity to meet projected growth needs. The current Pressure Swing Adsorption (PSA) system, which was designed for nitrogen and carbon removal, has reached the end of its useful and practical life making professional evaluation and improvement a priority for Waste + Renewables. The system was originally commissioned in 2019 and has been operated by Waste + Renewables staff since 2021. Additionally, the volume of gas is projected to exceed the current RNG Facility capacity in the near future.
Interested firms will submit proposals in order to construct and deliver a new RNG upgrading facility. Firms may also propose replacement of key equipment of the current facility to achieve the same objectives. The selected Firm will be expected to deliver final designs to achieve higher upgrading efficiency, lower downtimes, and longer operational lifespan. The selected Firm will be expected to provide system design, procurement, full construction oversight, and final commissioning. W+R encourages proposers to review available information and propose an approach that aligns with the project objectives and the scope outlined within this RFP.
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