Online Solar, LLC
Baltimore, MD Doing business as MR. Solar
- UEI
- RAL4KGBBNQ38
- CAGE
- 55HX1
- SAM.gov registration
- Active through
Company facts
- Self-certified in SAM.gov
- Entity structure
- Corporate Entity (Not Tax Exempt)
- NAICS codes registered in SAM.gov
- SAM.gov registration date
- Physical address
- 9600 Pulaski Park Dr #107, Baltimore, MD 21220, USA
- Website
- mrsolar.com
- Founded
- 2003
- Employees
- 1-10
- Estimated annual revenue
- $0-$1M
- Industry
-
- Utilities
- Independent Power and Renewable Electricity Producers
- Renewable Electricity
- Renewable Energy
- SIC code
- 49 Electric, Gas, & Sanitary Services
Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated .
Recent federal awards
| Award | Agency | Obligated | Awarded |
|---|---|---|---|
| To purchase ameresco solar panels and mounting kits for NOS engineering division as replenishment spares for… | National Oceanic and Atmospheric Administration | $18,165 | |
| Solar panels and mounts | National Oceanic and Atmospheric Administration | $11,816 | |
| Solar panels | National Oceanic and Atmospheric Administration | $9,603 | |
| To purchase parts for cellular weather observing stations NWS burlington, VT. | National Oceanic and Atmospheric Administration | $3,738 | |
| Solar panels and mounts | National Oceanic and Atmospheric Administration | $8,316 |
About Online Solar, LLC
Online Solar, LLC, doing business as MR. Solar, is a for-profit solar energy manufacturer and supplier headquartered in Baltimore, Maryland, that specializes in providing solar panels, power systems, and balance-of-system components for residential, commercial, government, and industrial applications. The company has established itself as a leading nationwide supplier in the solar sector with relevant expertise in delivering solar energy solutions to federal infrastructure. Online Solar, LLC maintains an active SAM.gov registration as a small business entity and has demonstrated a consistent track record of providing specialized solar equipment and components to federal agencies.
Online Solar, LLC has received four prime federal contract awards, all from the National Oceanic and Atmospheric Administration (NOAA), totaling approximately $43,321.70 in contract value. The most recent award, dated August 25, 2025, was a firm fixed-price purchase order valued at $18,165 for Ameresco solar panels and mounting kits designated as replenishment spares for the NOS Engineering Division to support replacement and maintenance activities at NOAA's cooperative remote environmental monitoring stations; this award was designated as a Total Small Business set-aside. A second award from September 14, 2022, valued at $11,816, procured solar panels and mounts under a Total Small Business set-aside designation. An earlier award from April 6, 2022, valued at $9,603, involved the purchase of solar panels under no set-aside designation. The company's oldest award in this history, dated September 16, 2021, was valued at $3,737.70 and involved purchasing parts for cellular weather observing stations for the National Weather Service in Burlington, Vermont, also under no set-aside designation. All awards were structured as purchase orders, reflecting Online Solar's role as a direct supplier of solar equipment and components to support NOAA's weather observing and environmental monitoring infrastructure.
SBA capabilities narrative
Online Solar, LLC dba Mr. Solar is an online wholesaler of solar power related equipment. We design solar systems to customer specification and sell solar panels, charge controllers, batteries, battery enclosures, cables and other balance of systems.
Quick answers
What is Online Solar, LLC's UEI?
Online Solar, LLC's Unique Entity ID (UEI) in SAM.gov is RAL4KGBBNQ38.
What is Online Solar, LLC's CAGE code?
Online Solar, LLC's CAGE code is 55HX1.
What is Online Solar, LLC's primary NAICS code?
Online Solar, LLC's primary NAICS code is 423690 (Other Electronic Parts and Equipment Merchant Wholesalers).
Where is Online Solar, LLC located?
Online Solar, LLC's physical address in SAM.gov is 9600 Pulaski Park Dr #107, Baltimore, MD 21220, USA.
Is Online Solar, LLC registered in SAM.gov?
Yes. Online Solar, LLC's SAM.gov registration is active through July 16, 2027.
What is Online Solar, LLC's most recent federal award?
Online Solar, LLC's most recent federal contract award is To purchase ameresco solar panels and mounting kits for NOS engineering division as replenishment spares for… (1305M225P0178), from National Oceanic and Atmospheric Administration, on August 25, 2025.
On GovTribe
See Online Solar, LLC's full federal record
- Federal contract awards
- Funding analysis by agency, NAICS and set-aside
- Similar vendors