Why DC Is One of the Best Solar Markets in the Country
Washington DC doesn't show up on most "best solar states" lists because it isn't a state — and because people picture row houses and dense urban blocks, not sprawling suburban rooftops. But the financial case for solar in DC is remarkably strong, arguably stronger than most of the Sun Belt.
The reason: DC's Solar Renewable Energy Credit (SREC) program produces ongoing income that most states can't match. While the federal Investment Tax Credit expired on December 31, 2025, DC's own incentive stack — SRECs, net metering at full retail rate, a property tax exemption, and targeted programs for lower-income households — makes going solar financially compelling without any federal support.
Here's a full breakdown of every DC solar incentive in 2026, how they work, and what the real numbers look like.
The DC SREC Program: The Big One
The DC SREC program is the cornerstone of solar economics in the District, and it's one of the most valuable programs of its kind anywhere in the US. Understanding it is essential before you evaluate any other incentive.
How SRECs Work
A Solar Renewable Energy Credit (SREC) is a tradeable certificate representing 1 megawatt-hour (MWh) of solar electricity generated. When your panels produce electricity, you earn SRECs. Those SRECs can be sold to electric utilities in the DC market, which are required by law to source a significant portion of their electricity from local solar — or pay a hefty fine.
That legal mandate — DC's Renewable Portfolio Standard — is what makes DC SRECs so valuable. Utilities need them, the supply from DC rooftops is relatively small, and the penalty for not having enough is steep. The result: DC SREC prices in 2026 run $350–$420 per SREC, compared to $15–$40 in states with looser mandates like Pennsylvania or Ohio.
What That Means for Your System
DC receives roughly 4.2 peak sun hours per day — similar to Atlanta or Houston. A typical DC residential system runs 5–7 kW (smaller than suburban installations due to row house roof constraints). Here's what annual SREC income looks like at different system sizes:
| System Size | Annual Production | SRECs/Year | Annual SREC Income* | 15-Year Total |
|---|---|---|---|---|
| 4 kW | ~5,200 kWh | ~5.2 | $1,820–$2,184 | $27,300–$32,760 |
| 6 kW | ~7,800 kWh | ~7.8 | $2,730–$3,276 | $40,950–$49,140 |
| 8 kW | ~10,400 kWh | ~10.4 | $3,640–$4,368 | $54,600–$65,520 |
*At $350–$420/SREC. Prices fluctuate based on SREC market supply and demand. Consult a broker for current pricing.
This income is on top of your electricity savings. A 6kW system producing $2,730–$3,276 per year in SREC income, plus $100–$140/month in electricity savings ($1,200–$1,680/year), generates a combined annual financial benefit of $3,930–$4,956.
On a $20,000 installed system, that's a payback period of roughly 4–5 years — exceptional by any measure. It's why DC consistently has some of the shortest solar payback periods in the country despite moderate electricity rates.
Calculate your DC solar savings
Enter your electric bill, zip code, and roof details. We'll model your DC payback period including SREC income projections and year-by-year savings.
Calculate My DC Savings →DC Sustainable Energy Utility (DCSEU) Programs
The DC Sustainable Energy Utility administers several programs that complement the SREC market. These are worth knowing even if your primary incentive is SRECs.
Solar for All
Solar for All is one of the most ambitious low-income solar programs in the country. It's targeted at DC households earning 80% or less of the Area Median Income (AMI). Qualifying households can receive:
- Community solar subscriptions at no cost — your electricity bill is offset by credits from a community solar project, at no upfront cost and no ongoing payment
- 50% reduction in electricity bills as a baseline benefit for enrolled households
- Priority access to rooftop installations for qualifying multifamily buildings
If you qualify, Solar for All can effectively eliminate or halve your electricity bill without you needing a suitable rooftop or any capital. It is among the most generous LMI solar programs in the US. Check eligibility and apply through the DCSEU website or call 202-479-2222.
Low-Cost Solar Loans
DCSEU partners with local lenders to offer below-market-rate solar loans for qualifying DC homeowners. Rates have ranged from 4.99%–6.5% depending on creditworthiness — lower than typical solar loan rates. Combined with SREC income, the monthly loan payment can be partially or fully offset by what your SRECs earn.
Net Metering in Washington DC
DC has strong net metering policy through Pepco, the primary residential utility in the District. Here's how it works:
- Full retail-rate credit — when your panels overproduce, you receive a credit at the same rate you'd pay for electricity ($0.15–$0.17/kWh in DC)
- Monthly rollover — unused credits carry forward month to month. Summer overproduction banks credits for winter months when output drops
- Annual true-up — any remaining credits at the end of your 12-month billing cycle are settled at a modest per-kWh rate (lower than retail, but you keep them)
- No capacity cap for residential systems — DC's net metering policy doesn't penalize homeowners with properly sized systems
This is important for DC homeowners with row houses or limited roof space. Even if your system is small and you're only partially offsetting your bill, the full-retail crediting means you're getting maximum value for every kWh you generate.
DC Property Tax Exemption for Solar
Installing solar increases your home's value — studies show a solar installation adds roughly 3-4% to a DC home's assessed value. Under DC's Renewable Energy Property Tax Exemption, the value added to your home by solar equipment is excluded from your property tax assessment.
DC's residential property tax rate is approximately 0.85% for the first $500,000 of assessed value (1.65% above that). For a solar installation that adds $18,000–$22,000 in home value, this saves:
- At 0.85%: $153–$187/year in avoided property tax
- At 1.65% (higher-value homes): $297–$363/year in avoided property tax
It's not the biggest incentive on this list, but it compounds — you're effectively getting a small ongoing subsidy for the life of the system, and your home's resale value is higher without the associated tax burden.
What About the Federal Solar Tax Credit?
The federal Investment Tax Credit (ITC) — the 30% federal tax credit that had been the centerpiece of residential solar economics for two decades — expired on December 31, 2025. New DC solar installations can no longer claim it.
This is a significant change for the national solar market. But DC homeowners are in a better position than most to absorb it, because the SREC program was already generating more long-term value than the ITC for many DC installations. In states that relied heavily on the ITC (and have no meaningful state programs), the economics have gotten tougher. In DC, the SREC math still makes going solar compelling even without federal support.
DC vs. Maryland and Virginia: The Comparison
The DC metro area spans three jurisdictions, and the solar incentive landscape varies significantly between them. Here's a quick comparison to help homeowners near the DC border think through their options:
| Incentive | Washington DC | Maryland | Virginia |
|---|---|---|---|
| SREC Value | $350–$420/SREC | $60–$90/SREC | $20–$50/SREC |
| Net Metering | Full retail ✓ | Full retail ✓ | Full retail ✓ |
| Property Tax Exemption | Yes ✓ | Yes ✓ | Yes ✓ |
| State Rebate | DCSEU programs | MEA Clean Energy Grant | Limited |
| Typical Payback (post-ITC) | 4–6 years | 8–11 years | 9–13 years |
The DC SREC advantage is real and substantial. If you own property in DC — even a row house with a modest rooftop — the financial case for solar in the District is significantly stronger than in either neighboring state.
DC-Specific Installation Considerations
A few things DC homeowners should know before getting quotes:
Row Houses and Limited Roof Space
Most DC homes are row houses with smaller rooftops than suburban single-family homes. A typical DC installation runs 4–7 kW. That's enough to cover 70–100% of an average DC home's electricity use (around 7,000–8,500 kWh/year). The good news: smaller systems cost less upfront, and DC's SREC program generates meaningful income even at smaller sizes.
Permitting and HOA Rules
DC has a streamlined solar permitting process — most residential installations can be permitted in 2–4 weeks. If your property is in a Historic District (which covers a significant portion of DC, including Capitol Hill, Georgetown, and Dupont Circle), you'll need approval from the Historic Preservation Review Board. The Board generally approves solar when panels aren't visible from the street — meaning rear-facing or flat-roof installations are easier to permit than prominent front-slope placements.
Condominium Units
If you own a condo, rooftop solar requires condo association approval and is typically limited to building-wide community solar arrangements rather than individual unit installations. Ask your HOA about community solar subscription options, which require no rooftop access and can still reduce your electricity bill.
The Real Numbers: What DC Solar Looks Like in 2026
Let's build a realistic scenario for a typical DC row house homeowner:
- Property: Row house in NW DC, moderate electricity use (~8,500 kWh/year, $120/month electric bill)
- System size: 6 kW installed on rear-facing roof slope
- Installed cost: $18,500 (at ~$3.08/watt installed)
- Annual electricity savings: $1,300 (covers ~90% of electricity use)
- Annual SREC income: 7.8 SRECs × $380 = $2,964
- Annual property tax savings: ~$200
- Total annual benefit: ~$4,464
- Payback period: $18,500 ÷ $4,464 = 4.1 years
- Net benefit over 25 years (conservative): ~$93,000 after accounting for system cost and degradation
Those numbers are substantially better than the national average, which runs 8–11 years payback in a post-ITC environment. DC's SREC program does most of the heavy lifting — more than half the annual financial benefit in this scenario comes from SRECs, not electricity savings.
Should DC Homeowners Go Solar in 2026?
For DC homeowners with a suitable rooftop: yes, the numbers work — and work well.
The key qualifier is roof suitability. If your DC home has a rear-sloping roof with decent south, east, or west exposure and minimal shading from trees or neighboring structures, a 4–8 kW system will perform well enough to make the economics compelling even at DC's moderate electricity rates.
The two scenarios where DC solar is less clear-cut: historic-district homes where front-visible panels won't get HOA approval (making the system smaller than optimal), and condos where individual rooftop installation isn't feasible. In those cases, investigate community solar through DCSEU — you still benefit from credits on your bill without needing a rooftop.
If you're not sure whether your roof qualifies, use our sizing tool to check — it takes your address, electric bill, and roof direction, and tells you what system size makes sense and what the payback looks like.
FAQ
What is the DC SREC program and how much is it worth in 2026?
DC SRECs — Solar Renewable Energy Credits — pay you for each megawatt-hour your system generates. In 2026, DC SRECs trade at $350–$420 each. A 6kW system earns roughly 7–8 SRECs per year, generating $2,450–$3,360 annually. Over 15 years, that's $36,750–$50,400 in additional income on top of electricity savings. DC has among the highest SREC values in the country, driven by the state's aggressive renewable energy mandate.
Does DC have a property tax exemption for solar?
Yes. DC's Renewable Energy Property Tax Exemption excludes the value added by solar panels from your property tax assessment. For most DC homeowners, this saves $150–$360 per year depending on assessed value bracket. The exemption applies for the life of the system — it's a small but ongoing annual benefit.
What is the DC Solar for All program?
Solar for All is a DC program for households earning 80% or less of the Area Median Income. Qualifying households receive free access to community solar credits that offset 50% or more of their electricity bill — with no upfront cost, no rooftop required, and no ongoing payment. It's one of the most generous low-income solar programs in the country. Apply through DCSEU (dcseu.com) or call 202-479-2222.
How does net metering work in Washington DC?
DC has full retail-rate net metering through Pepco. Excess electricity you generate is credited to your account at the same rate you'd pay for it — currently $0.15–$0.17/kWh. Credits roll over month to month. An annual true-up settles any remaining balance. DC's net metering policy is strong and doesn't penalize properly sized residential systems.
Is the federal solar tax credit still available in 2026?
No. The federal Investment Tax Credit (ITC) for residential solar expired on December 31, 2025. New DC installations can't claim a federal tax credit. DC's state-level programs — particularly the high-value SREC market — make solar financially viable even without federal support. DC homeowners in 2026 are better positioned than most to absorb the ITC's removal.