Tools
Run the numbers on your home energy.
Simple, honest calculators. No sign-up required, and every estimate comes with a plain-language disclaimer.
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Featured tool
VPP Battery Earnings Calculator
Estimate what a home battery could earn you through Virtual Power Plant programs, matched to your state, with the incentives still available near you.
What you get
- Annual earnings range for your battery
- Upfront enrollment bonus by state
- Estimated 10-year value
- A table of real programs in your state
- Incentives still available near your ZIP
More tools
Run the rest of the numbers.
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Solar-plus-storage payback
Estimate how quickly a solar-and-battery system pays for itself now that the federal credit has ended.
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V2H vehicle finder
Check which EVs and chargers support powering your home, and how long they'd last.
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What rebates are left in my state
See the state, utility, and local incentives still available near you by ZIP.
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