Solar Cost Breakdown for Washington DC
Here's what a typical 5.8 kW solar installation costs in Washington DC, DC in 2026, based on current market pricing and live utility data from Pepco.
| Cost Item | Amount | Notes |
|---|---|---|
| Gross System Cost (5.8 kW) | $18,400 | Before any incentives |
| Federal ITC (30%) | -$5,520 | Applied to tax return (Form 5695) |
| Net Cost to Homeowner | $12,880 | After federal tax credit |
| Monthly Loan Payment (25yr @ 5.99%) | ~$82/mo | $0 down solar loan |
| Monthly Bill Savings | ~$114/mo | Based on Pepco 18.2¢/kWh |
Solar Production in Washington DC
Washington DC averages 4.5 peak sun hours per day — good for solar energy production. A 5.8 kW system here will generate approximately:
| Timeframe | Estimated Production | Value @ 18.2¢/kWh |
|---|---|---|
| Daily (avg) | 20.9 kWh | $3.8 |
| Monthly (avg) | 626 kWh | $114 |
| Annual | 7,621 kWh | $1,387 |
| 25-Year Total | 190,530 kWh | $50,000 |
DC Solar Incentives
Homeowners in Washington DC, DC can stack multiple incentives to reduce the net cost of solar significantly:
| Incentive | Value | How to Claim |
|---|---|---|
| Federal Investment Tax Credit (ITC) | 30% of system cost = $5,520 | IRS Form 5695 at tax time |
| DC Solar for All | Varies | Through installer or DC tax return |
| Property Tax Exemption | Solar value excluded from property tax | Automatic in most DC counties |
| Net Metering (Pepco) | Credit for excess solar exported to grid | Applied automatically to monthly bill |
💡 Total potential savings: Between the 30% federal ITC ($5,520) and state incentives in DC, many Washington DC homeowners reduce their net system cost by 35–45% before financing.
Pepco: Your Local Rate
Your Washington DC utility provider is Pepco, currently charging 18.2¢ per kWh (source: EIA, June 2026). This rate determines how valuable solar is for your home — higher rates mean faster payback.
US electricity rates have increased an average of 3.4% per year since 2010. If Pepco's rate continues rising, your solar savings will grow each year — meaning real payback is often faster than static estimates suggest.
| Year | Projected Rate | Annual Solar Savings (5.8 kW) |
|---|---|---|
| 2026 (now) | 18.2¢/kWh | $1,387 |
| 2031 (+5yr) | 21.5¢/kWh | $1,639 |
| 2036 (+10yr) | 25.4¢/kWh | $1,938 |
| 2046 (+20yr) | 35.5¢/kWh | $2,707 |
Get Your Exact Washington DC Solar Quote
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Calculate My Washington DC Solar Cost →Compare Nearby Cities
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