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Data stories & guides
Rankings, state-vs-state comparisons and plain-English guides — every number computed straight from the same dataset that powers our calculators.
EV Charging · 2026-07-29
Every State Where a Level 2 Charger Install Runs Under $1,500
33 states sit at or under $1,500 for a Level 2 home charger installation. The full list, ranked, from July 2026 data.
Heat Pumps · 2026-07-27
Do Heat Pumps Actually Work in Cold Climates? (2026 Answer)
The old reputation is a decade out of date — Maine has more heat pumps per capita than almost anywhere. What changed, and what to spec.
Heat Pumps · 2026-07-25
New Jersey vs New York: Where a Heat Pump Costs Less
Heat Pumps in New Jersey ($16,000) vs New York ($17,000) — a 6% gap between neighbors, from July 2026 data.
Home Batteries · 2026-07-23
Colorado vs Wyoming: Where a Home Battery Makes More Sense
Home Batteries in Colorado ($15,000) vs Wyoming ($14,000) — a 7% gap between neighbors, from July 2026 data.
Solar · 2026-07-21
Going Solar in 2026, After the Federal Tax Credit: The New Math
The 30% federal credit ended for purchased systems after 2025. Solar still pays in many states — but the map of where changed.
EV Charging · 2026-07-19
The 10 Cheapest States to Install a Home EV Charger (2026)
The ten cheapest states for a Level 2 home charger installation, ranked from the same July 2026 dataset that powers our calculators — with full state breakdowns.
EV Charging · 2026-07-17
The 10 Most Expensive States to Install a Home EV Charger (2026)
The ten most expensive states for a Level 2 home charger installation, ranked from the same July 2026 dataset that powers our calculators — with full state breakdowns.
Home Batteries · 2026-07-15
The 10 Cheapest States for a Home Battery (2026)
The ten cheapest states for a home battery installation, ranked from the same July 2026 dataset that powers our calculators — with full state breakdowns.
Home Batteries · 2026-07-13
The 10 Most Expensive States for a Home Battery (2026)
The ten most expensive states for a home battery installation, ranked from the same July 2026 dataset that powers our calculators — with full state breakdowns.
Heat Pumps · 2026-07-11
The 10 Cheapest States to Install a Heat Pump (2026)
The ten cheapest states for a whole-home heat pump installation, ranked from the same July 2026 dataset that powers our calculators — with full state breakdowns.
Heat Pumps · 2026-07-09
The 10 Most Expensive States to Install a Heat Pump (2026)
The ten most expensive states for a whole-home heat pump installation, ranked from the same July 2026 dataset that powers our calculators — with full state breakdowns.
Solar · 2026-07-07
The 10 Cheapest States to Go Solar (2026)
The ten cheapest states for a home solar installation, ranked from the same July 2026 dataset that powers our calculators — with full state breakdowns.
Solar · 2026-07-05
The 10 Most Expensive States to Go Solar (2026)
The ten most expensive states for a home solar installation, ranked from the same July 2026 dataset that powers our calculators — with full state breakdowns.
Solar · 2026-07-03
The 10 States With the Cheapest Electricity (2026)
Residential electricity rates ranked — the ten cheapest states as of July 2026, and what that means for solar, heat pumps and EVs.
Solar · 2026-07-01
The 10 States With the Most Expensive Electricity (2026)
Residential electricity rates ranked — the ten priciest states as of July 2026, and what that means for solar, heat pumps and EVs.