# WattGap

> Home energy savings intelligence for every US home.

WattGap helps homeowners discover energy rebates, optimize rate plans,
and find financing options. Enter a ZIP code and see a complete financial
picture in 60 seconds.

## Key endpoints

- GET /api/home-profile?zip=XXXXX -- Complete home energy profile
- GET /api/rebates?zip=XXXXX -- Available rebate programs
- GET /api/rate-plans/:zip -- Utility rate plan comparison
- GET /api/financing/options -- Loan and financing options
- GET /api/utility-savings/:state/:utility/:category -- Utility-specific rebate page data
- GET /api/health -- Service health with dependency checks

## Coverage

- 50 US states + DC
- 3,700+ utility rate plans via OpenEI
- Federal, state, and local rebate programs via Rewiring America
- Census ACS housing data, EIA electricity rates, climate zones
- 3,575 utility x program-category rebate pages -- see /sitemap.xml

## About

- Founded in Denver, CO by Steve Vogt
- WattGap is not currently charging households for the diagnostic or core guidance
- WattGap does not currently offer a paid household application service
- Any future optional service would be clearly priced and would never change eligibility truth, ranking, or recommendations
- Data from 8 government/open sources: Census ACS, Rewiring America, OpenEI, EIA, NASA POWER, NREL PVWatts, Google Solar, DSIRE
- Methodology: https://wattgap.com/methodology
- About: https://wattgap.com/about

## Original data

- State Energy Optimization Scores: https://wattgap.com/data/scores-by-state
- API: GET /api/state-scores -- Aggregate WattGap Scores for all 50 states
- API: GET /api/state-scores/:state -- Single state detail with ZIP-level breakdown

## For utilities

- White-label platform for DSM program deployment
- Details: https://wattgap.com/for-utilities

## Contact

- Website: https://wattgap.com
- Email: steve@wattgap.com