Is Rooftop Solar a Smart Move in the Mission District in 2026?
With electricity rates from the City & County of San Francisco averaging over $0.32 per kWh, many homeowners are looking for ways to reduce their monthly bills. Rooftop solar offers a direct path to generating your own power, but the financial equation has changed. Since the main federal tax credit for homeowners is no longer available for systems installed in 2026, understanding the real costs and local benefits is more important than ever. The key to making solar work in San Francisco now lies in maximizing the use of your own solar power, often with the help of a home battery.
From rates to ROI—continue in the savings calculator.
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Estimated Solar System Costs in the Mission District
For a typical home in the 94110 zip code, a 4.7 kW solar panel system is a common size to offset a significant portion of a $178 monthly electric bill. Here are the estimated costs for early 2026, keeping in mind that there is no federal income tax credit applied to these figures.
- Solar-Only System (4.7 kW): The estimated gross cost is around $11,985.
- Solar + Battery System (4.7 kW panels with a 10 kWh battery): The total estimated cost is approximately $26,985.
While the upfront cost is higher, adding a battery is strongly recommended in California. It allows you to store the solar energy you produce during the day and use it in the evening, which is critical for maximizing your savings under current utility rules.
Incentives & Tax Credits
California Solar Incentives for 2026
While the 30% federal tax credit for homeowners has ended for systems placed in service this year, California residents still have access to important benefits that support the move to solar.
- Property Tax Exclusion: In California, the value added to your home by a solar energy system is excluded from your property tax assessment. For systems installed before mid-2026, this is a significant financial benefit that lowers the long-term cost of ownership.
- High Rate Offset: The primary financial incentive is avoiding California's high electricity rates. Every kilowatt-hour of solar energy you use at home is a kilowatt-hour you don't have to buy from the utility.
An owned solar system can also be a compelling feature for potential buyers, potentially supporting your home's resale appeal in a competitive market like San Francisco.
Net Metering: City & County of San Francisco
Net Billing (low export)
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Understanding Export Rates: Why Self-Consumption is Key
Under the current net billing structure, the value of solar energy you send back to the grid is much lower than the price of electricity you buy. You might pay $0.323 per kWh for electricity from the grid, but only receive a credit of around $0.113 per kWh for the excess power your panels export. This difference is why simply producing a lot of solar energy isn't enough. A battery allows you to store that excess daytime energy and use it yourself during the evening, ensuring you get the full retail value from every kWh your system generates.
Projected Savings
How Solar Panels Create Value on a San Francisco Home
Savings come from producing your own electricity instead of buying it from the grid at a high price. Because exported solar power is credited at a much lower rate than the retail price, using your own power directly is where the real value is.
- With a solar-only system, you could see an estimated annual savings of $1,354, leading to a payback period of about 8.1 years.
- By adding a home battery, your estimated annual savings increase significantly to $1,952. The battery helps you avoid selling your valuable solar energy to the grid for pennies on the dollar, boosting your overall financial return even though the payback period extends to around 10.6 years.
Over time, these savings can become even more valuable if grid electricity rates continue to rise.