538 kWh
238 lbs
Savings
$0
/mo
To see how much lower your bill could be, clicknext to the energy upgrades below
Your energy costs
Edit or upload bill
Electricity
$163
/mo
Heating
$37
/mo
Gasoline
$428
/mo
Total
$628
/mo
Your energy costs
Edit or upload bill
Total
$628
/mo
Electricity
$163
/mo
Heating
$37
/mo
Gasoline
$428
/mo
Savings
$0
/mo
To see how much lower your bill could be, tapnext to the energy upgrades below
Average solar panel installation
$12,675
Average monthly bill without solar
$163Average monthly bill with solar
$0Solar will pay for itself in
5 yearsPowered by WattBuy’s data & insights on energy usage, costs, incentives and more. Ask Sunny all your questions about solar panels, whenever you have them.
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Toggle each recommendation on and off to see its impact on your bill, energy usage, and carbon emissions.
The estimated cost to install solar at your house is $12,675. We calculated this because we think your electricity usage for the year is about 6460 kWh, and a 4.14 kW size solar system on your roof would replace 100% of your usage. We are using an estimated cost of $4.27/W, which we get from Tracking The Sun.
The current electricity costs for Pacific Gas & Electric Co are 30¢/kWh. So, by replacing 100% of your usage, you’ll save $1,951 throughout the year. If the costs of electricity stay the same, then your savings will pay for your solar system in 6.5 years. If the costs of Pacific Gas & Electric Co electricity rise 3%, then your savings will pay for your solar system in 6.31 years.
Solar installed at your house would generate different amounts of electricity during different months. We estimate that your production would vary from a high of 680 kWh in July, to a low of 370 kWh in December. For the entire year, we estimate that your 4.14 kW sized system would produce 6460 kWh.
The state of California generally uses Energy Export Credit Rate (2026 ACC, SDG&E CZ10), Full Retail Rate, and Hourly ACC (2024 ACC, 2026 values) for net metering. This means that when you produce more electricity than your house uses, the utility will pay you Energy Export Credit Rate (2026 ACC, SDG&E CZ10), Full Retail Rate, and Hourly ACC (2024 ACC, 2026 values) for the extra electricity.
From Department of Energy Data, it looks like 323 homes have installed solar panels in your zip code, 95405. In your city, Santa Rosa, 1,890 homes have installed solar panels. And in the state of California, 331,810 homes have installed solar panels.
There are 41 solar installers that operate in California. WattBuy recommends EnergySage.
Upfront Rebates
Battery
Who
Program
Value
Max
Likely
Value
$7,500
Max
—
Likely
—
EV Charger
Who
Program
Value
Max
Likely
Value
$700
Max
—
Likely
—
Silicon Valley Clean Energy
Value
$500/item
Max
$750
Likely
—
Sonoma Clean Power
Value
$5/dollars/month
Max
$5
Likely
—
El Dorado County Air Quality Management District
$300
—
—
El Dorado County Air Quality Management District
Value
$300
Max
—
Likely
—
Heat Pump
Who
Program
Value
Max
Likely
Redwood Coast Energy Authority
Value
$100
Max
—
Likely
—
Rooftop Solar PV
Who
Program
Value
Max
Likely
California
100% of system value exempt from property tax
—
—
Value
100% of system value exempt from property tax
Max
—
Likely
—
Ongoing Programs
Battery
Who
Program
Value
Sunrun
Value
$150/battery/year
PG&E
Value
$2/kWh reduced
Value
$2/kWh dispatched
California
DSGS Options 3/4 pay capacity incentives to the VPP aggregator (Tesla, Sunrun, Swell…); the homeowner is paid by the aggregator under its own program terms.
Value
DSGS Options 3/4 pay capacity incentives to the VPP aggregator (Tesla, Sunrun, Swell…); the homeowner is paid by the aggregator under its own program terms.
Ava Community Energy
Monthly payment depends on battery type and the share of capacity enrolled (40%, 60% or 80%); Ava publishes the formula only in the participation agreement.
Ava Community Energy
Value
Monthly payment depends on battery type and the share of capacity enrolled (40%, 60% or 80%); Ava publishes the formula only in the participation agreement.
EV Charger
Who
Program
Value
Silicon Valley Clean Energy
Value
$250
Marin Clean Energy
Value
$10/month
Using this data-driven approach, we have created a machine learning model that can estimate electricity usage and carbon footprint for every home in the US. We then use this information to recommend the best options for you, so you can feel good that WattBuy is recommending something truly personalized.
Our electricity estimations are trusted by our partners at The Department of Energy's National Renewable Energy Laboratory, as well as many of the biggest consumer brands in the world.