Findings
Numbers nobody else publishes, computed from the registers this site reads. Every one is recomputed on each request, so a figure you cite here does not go stale behind your back. Licensed CC BY 4.0: reuse these figures anywhere, with attribution and a link.
Texas plans that only look cheap at 1,000 kWh
How much of the Texas board is priced around a usage-triggered bill credit, counted daily.
The cold-climate heat pump index
How many certified models hold their capacity at 5 °F, and how that has moved by certification year.
Which heat pump brands are the same machine
Six of the largest names in the register are one manufacturer’s badges.
What a kilowatt-hour costs, by utility
The distribution across every utility that reported, not the state averages everyone quotes.
JSON feed of every finding on this page.
Get told when this changes
A note each month when EIA publishes new prices, which is when most of these figures move.
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