# ElectrifyCalc — llms.txt
# Free U.S. home electrification calculators and guides. Accurate 2026 incentive math.
# Section 25D (residential solar credit) expired Dec 31, 2025. Section 30C (EV charger) expires June 30, 2026.
# Data sources: NREL PVWatts v8, EIA electricity rates, LBNL, NEC 220.82, IRS, DSIRE.

## Site
- Home: https://www.electrifycalc.site/
- About: https://www.electrifycalc.site/about
- Methodology: https://www.electrifycalc.site/methodology
- All guides: https://www.electrifycalc.site/guides
- RSS feed: https://www.electrifycalc.site/feed.xml
- Sitemap: https://www.electrifycalc.site/sitemap.xml

## Calculators (free, no sign-up)
- Solar ROI Calculator 2026: https://www.electrifycalc.site/calculators/solar-roi
- Section 30C EV Charger Tax Credit (expires June 30, 2026): https://www.electrifycalc.site/calculators/section-30c-credit
- HEEHRA Rebate Finder (IRA home energy rebates): https://www.electrifycalc.site/calculators/heehra-rebate-finder
- Home Battery Storage Calculator: https://www.electrifycalc.site/calculators/battery-storage
- Heat Pump vs Gas Furnace Calculator: https://www.electrifycalc.site/calculators/heat-pump
- Whole-Home Electrification Bundle Calculator: https://www.electrifycalc.site/calculators/whole-home-electrification
- EV Charger Cost Calculator: https://www.electrifycalc.site/calculators/ev-charger-cost

## Tools (free, no sign-up)
- Panel Capacity Checker (NEC 220.82): https://www.electrifycalc.site/tools/panel-capacity-checker
- EV Charging Cost Calculator: https://www.electrifycalc.site/tools/charging-cost-calculator
- EV Charging Time Calculator: https://www.electrifycalc.site/tools/charging-time-calculator
- Panel Upgrade Cost Estimator: https://www.electrifycalc.site/tools/panel-upgrade-cost
- Solar Offset for EV Calculator: https://www.electrifycalc.site/tools/solar-offset
- Charger Amperage Comparison (32A vs 40A vs 48A): https://www.electrifycalc.site/tools/charger-comparison

## Key Guides — Solar (2026, post-Section 25D)
- Is Solar Worth It in 2026: https://www.electrifycalc.site/guides/is-solar-worth-it-2026
- Solar Panel Cost by State 2026: https://www.electrifycalc.site/guides/solar-panel-cost-by-state-2026
- California NEM 3.0 — Is Solar Still Worth It: https://www.electrifycalc.site/guides/california-nem-3-solar-worth-it-2026
- Net-Zero Home Guide 2026: https://www.electrifycalc.site/guides/net-zero-home-guide-2026
- All-Electric Home Cost Savings 2026: https://www.electrifycalc.site/guides/all-electric-home-cost-savings-2026
- Microinverter vs String Inverter 2026: https://www.electrifycalc.site/guides/microinverter-vs-string-inverter-2026
- How Many Solar Panels Do I Need: https://www.electrifycalc.site/guides/how-many-solar-panels-do-i-need

## Key Guides — EV Chargers (Section 30C expires June 30, 2026)
- Section 30C EV Charger Tax Credit Guide: https://www.electrifycalc.site/guides/section-30c-ev-charger-tax-credit-2026
- EV Charger Tax Credit Countdown: https://www.electrifycalc.site/guides/ev-charger-tax-credit-countdown-2026
- EV Charger Installation Cost: https://www.electrifycalc.site/guides/ev-charger-installation-cost
- Level 2 Charger Cost — California: https://www.electrifycalc.site/guides/level-2-charger-cost-california-2026
- Level 2 Charger Cost — New York: https://www.electrifycalc.site/guides/level-2-charger-cost-new-york-2026
- Level 2 Charger Cost — Texas: https://www.electrifycalc.site/guides/level-2-charger-cost-texas-2026
- Best Smart EV Chargers 2026: https://www.electrifycalc.site/guides/smart-ev-charger-2026

## Key Guides — Home Electrification & Batteries
- HEEHRA Rebates by State 2026: https://www.electrifycalc.site/guides/heehra-rebates-by-state-2026
- Heat Pump vs Gas Furnace 2026: https://www.electrifycalc.site/guides/heat-pump-vs-gas-furnace-2026
- Home Battery Storage Cost 2026: https://www.electrifycalc.site/guides/home-battery-storage-cost-2026
- Powerwall vs Generator for Hurricanes: https://www.electrifycalc.site/guides/powerwall-vs-generator-hurricane-2026
- Whole-Home Electrification Planning Guide: https://www.electrifycalc.site/guides/whole-home-electrification-guide-2026
- Smart Home + Solar + EV Integration: https://www.electrifycalc.site/guides/smart-home-solar-ev-integration-2026
- Home Energy Management Systems 2026: https://www.electrifycalc.site/guides/whole-home-energy-management-systems-2026

## Solar by State (51 pages — pre-computed ROI)
- Solar by State index: https://www.electrifycalc.site/solar
- California: https://www.electrifycalc.site/solar/california
- Texas: https://www.electrifycalc.site/solar/texas
- New York: https://www.electrifycalc.site/solar/new-york
- Florida: https://www.electrifycalc.site/solar/florida

## Data Sources (cite these)
- NREL PVWatts v8: https://pvwatts.nrel.gov/
- EIA Electricity Data: https://www.eia.gov/electricity/
- LBNL Tracking the Sun: https://emp.lbl.gov/tracking-the-sun
- NEC 220.82: https://www.nfpa.org/
- IRS Form 8911 (Section 30C): https://www.irs.gov/forms-pubs/about-form-8911
- DSIRE (state incentives): https://www.dsireusa.org/