Skip to content
LIVE · Grid Watch
US Solar Capacity219 GW+17% YoY
US Wind Capacity153 GW+4% YoY
Residential ITC (Sec. 25D)Expired12/31/2025
Global Renewables Share30.8%+1.6pp YoY
US Grid Carbon368 g/kWh-3.1% YoY
100% Renewable Countries7ALB BTN ETH ISL NPL PRY COD
US Solar Capacity219 GW+17% YoY
US Wind Capacity153 GW+4% YoY
Residential ITC (Sec. 25D)Expired12/31/2025
Global Renewables Share30.8%+1.6pp YoY
US Grid Carbon368 g/kWh-3.1% YoY
100% Renewable Countries7ALB BTN ETH ISL NPL PRY COD
GridBasics
Energy, made simple
Site Assessment

We'll tell you what your roof can do.

Drop a pin or enter your address. We pull satellite imagery, NREL solar irradiance, wind data, utility rates, and local incentives — then hand you a recommended system size and the pages that matter to you.

Try System BuilderSee DIY Guides
Build Status In build · Phase 2
  • NREL PVWatts API (solar irradiance by location)
  • NREL Wind Toolkit (is residential wind worth it here?)
  • Google Solar API for roof segmentation
  • OpenEI utility rate database
  • DSIRE incentive database filtered to your zip
  • Hands off to the System Builder with defaults already set
Full roadmap & methodology →