The Best Solar Companies in Washington, DC (2026 Guide)

Washington, DC is one of the most attractive places in the United States for residential solar. High electricity rates combined with one of the country’s most valuable solar incentive programs make solar a compelling investment for homeowners. Many DC residents install solar not only to reduce their electric bills but also to earn ongoing income through the city’s Solar Renewable Energy Credit (SREC) market.

Choosing the right installer matters just as much as choosing to go solar in the first place — the difference between a company that’s licensed, experienced with DC’s SREC market and net metering rules, and backed by a real workmanship warranty and one that isn’t can add up to thousands of dollars over the life of your system. Below, you’ll find DC’s solar companies compared side by side, including which ones have completed EnergyScout’s verification process, so you can start your search with a shorter, more confident list.

Last Reviewed: 2026-09-11

Solar Installers in DC

EnergyScout tracks local and national solar companies serving homeowners throughout the state. Use the directory below to compare installers based on experience, service area, products, certifications, and other company information.

Companies displaying the EnergyScout Verified badge have completed an additional review process that includes a direct interview, screening customer feedback, and providing evidence of completed installations. Verification provides another layer of information when comparing solar companies, but homeowners should still evaluate multiple installers to find the right fit for their home.

How EnergyScout Verified works →

How to choose a solar installer.

Before contacting installers, read our guide on how to evaluate proposals, warranties, and long-term support.

State Solar at a Glance

46th
Residential
Commercial
51st
Utility
Jobs Capacity
1023
Solar Jobs
44th
Ranked for Solar Jobs
State Solar Capacity
288
Total Solar Installed (MW)
62.00%
% of states electricity from solar.
48,632
Enough to power homes

Source: Solar Energy Industries Association (SEIA), State By State data, as of January 2026 — seia.org/solar-state-by-state

Why Solar makes sense in DC

Understanding Home Solar and Storage in Washington, DC

Washington, DC’s Solar Opportunity:
Washington, DC ranks among the top solar markets in the country on a per-capita basis thanks to strong policy support and financial incentives. The city receives solid solar irradiance similar to other Mid-Atlantic states, and thousands of homes have already installed rooftop systems. Because DC has aggressive renewable energy goals and limited space for large utility-scale projects, rooftop solar plays a critical role in meeting clean energy targets. As a result, residential systems in DC often produce not only electricity savings but also significant income through the Solar Renewable Energy Credit (SREC) program.

Economic Factors and Policy Landscape:
DC has some of the strongest solar incentives in the country. Electricity rates are relatively high (often around $0.16–$0.18 per kWh), which improves solar savings. More importantly, the District’s SREC market allows homeowners to earn credits for every megawatt-hour of electricity their system produces, which can generate thousands of dollars in annual revenue for many systems. In addition to SRECs, homeowners can claim the federal Investment Tax Credit (ITC) and benefit from net metering policies that credit excess solar production. Because of these incentives, many solar systems in DC reach payback in roughly 5–8 years, making solar one of the strongest financial investments available to homeowners.

Urban Solar Applications:
Unlike rural states where solar is used for energy independence, most DC solar systems are installed on row homes, townhomes, and small residential buildings in dense urban neighborhoods. Roof space can be limited, so systems are typically designed to maximize production within a smaller footprint. Solar also pairs well with battery storage for homeowners seeking backup power during outages, though batteries are still less common due to the reliability of the local grid. For many DC homeowners, solar provides a rare opportunity to combine environmental impact with strong financial returns — lowering utility bills while generating long-term income through renewable energy credits.

Frequently Asked Questions

A typical home solar system in DC costs around $29,706 before incentives — about $3.05 per watt for a 9.7 kW system, per EnergySage’s September 2026 marketplace data. With financing, many homeowners see a monthly loan payment that’s a bit less than what they were already paying their utility — and once the loan’s paid off, that payment drops to zero while utility bills keep climbing. Comparing quotes from a couple of verified installers is still the best way to see exact numbers for your home.
Washington, D.C. has one of the strongest rooftop-solar value stacks in the country because system owners can combine utility bill savings with the District’s active SREC market. Income-qualified households may also benefit from Solar for All. The important distinction is between a program that exists in law and one that is funded, open and available to a homeowner at your address today. Incentives may take the form of a rebate, production payment, renewable-energy credit, tax treatment, battery payment or utility-specific tariff. Some require a reservation before construction, a participating contractor, income qualification or enrollment in a utility program. Ask the installer to identify every incentive by its official program name, show the current value and eligibility requirements, and state who receives the payment or credit. If funding is limited, request confirmation that capacity or funds are actually available. A proposal should never subtract an incentive from the net price simply because it existed in a prior program year.
SREC ownership can represent a meaningful part of project value. Homeowners should confirm who owns the SRECs, whether a financing company keeps them and what price assumption is used rather than treating today’s market value as guaranteed for decades. That issue should be built into the proposal rather than treated as an afterthought. Ask the installer to show how it affects system size, annual production, bill savings, equipment choice and long-term service. For weather or roof concerns, review roof age, structural requirements and the exact product certifications rather than accepting a blanket claim about durability. For rate-related concerns, ask for tariff-aware modeling instead of a simple annual-kWh calculation. If battery storage is part of the solution, compare solar-only and solar-plus-storage economics side by side and ask exactly which loads the battery will support during an outage.
Get at least three proposals and require each company to quote the project on the same basis: cash price, cost per watt, expected first-year production, degradation assumptions, equipment, workmanship coverage and the current Washington, DC utility tariff. Ask who performs the installation, who handles interconnection and incentive paperwork, and who will service the system if an inverter, optimizer or battery fails years later. Separate financing from system price so interest and dealer fees do not hide the underlying cost. Ask for recent projects in your utility territory, because local tariff, permitting and interconnection experience can be more valuable than a large national footprint. EnergyScout Verified status adds another diligence signal, but it should complement—not replace—competitive quotes and contract review.
As of September 2026, homeowners in DC pay an average of 24.39 cents per kWh, well above the 18.34-cent national average, with a typical monthly bill around $168. Rates have risen 7.4% over the past year, well above the national average increase of 5.0%.

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