Solar Installation in Gaithersburg, Maryland
We help homeowners in Gaithersburg, Kentlands, Washingtonian, and North Potomac lower Pepco bills with right-sized systems, Montgomery County Green Bank financing guidance, and one team handling design, permits, HOA packages, and PTO.
MCGB Loan @ 2.99% APR
Climate First Bank, first 15 years, qualifying loans (income < $163,900)
MSAP Grant up to $7,500
Income-eligible Maryland Solar Access Program
$40-$60 per SREC (1.5x)
Brighter Tomorrow Act multiplier on systems Jul 2024 - Jan 2028
Property Tax Exempt
Solar value excluded from MD property assessments
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Gaithersburg Solar Incentives
Upcounty Montgomery County homeowners can pair Green Bank financing with Maryland's state incentives. We build each proposal around your actual Pepco usage rather than a generic estimate.
Gaithersburg homeowners can access the Montgomery County Green Bank subsidized loan. Climate First Bank originates the loan and OneEthos runs the application platform.
- 2.99% APR for first 15 years on qualifying loans
- Total household income < $163,900
- Loan can include battery storage and roof replacement
Income-qualified homeowners can combine county financing with Maryland's MSAP grant when the MEA window is open. We handle documentation and timeline planning for both.
- Up to $7,500 grant ($750/kW)
- Aduu is on MEA's MSAP Participating Contractor list
- We handle the MyMEA application end-to-end
Many Gaithersburg neighborhoods have HOA review. We prepare layout drawings and equipment specs so approval moves quickly.
- Review-ready layout drawings
- MD SRECs registered through PJM-GATS
- Pepco interconnection handled through PTO
Nearby Montgomery County Pages
Local pages for neighboring Montgomery County communities.
Gaithersburg Solar FAQs
Gaithersburg projects typically run $2.75-$3.25 per watt before incentives, putting an 8 kW system at roughly $22,000-$26,000. The federal residential ITC expired Dec 31, 2025; Gaithersburg savings come from MCGB-subsidized financing, MD SRECs with the Brighter Tomorrow multiplier, and the property tax exemption.
MCGB partners with Climate First Bank (originating lender) and OneEthos (application platform) to offer subsidized solar loans for Montgomery County residents. The qualifying rate is 2.99% APR for the first 15 years (income limit $163,900, autopay required). The loan can include battery storage and roof replacement.
Maryland law limits HOA restrictions that unreasonably prevent or significantly raise the cost of rooftop solar. Most associations still have a review step, and we prepare the drawings and specs it typically asks for.
Yes. Eligible systems participate in Maryland's SREC market (currently $40-$60 per certificate). Systems installed July 2024 - January 2028 receive a 1.5x multiplier under the Brighter Tomorrow Act.
Yes. Aduu Solar Engineering LLC is on the Maryland Energy Administration's official MSAP Participating Contractor list. We can take income-eligible Gaithersburg households through the MyMEA application when the window is open.
Aduu manages the process end-to-end: design package, City of Gaithersburg or Montgomery County permit submissions, Pepco interconnection paperwork, inspections, and PTO. Physical installation is typically 1-3 days, and the full timeline usually runs 8-12 weeks.
Ready to Go Solar in Gaithersburg?
Free consultation for Gaithersburg and nearby Montgomery County homeowners.
County financing • State incentives • 25-year warranties