License and how to cite

gridprims code is MIT licensed.

gridprims page text and the tables we derive are CC BY 4.0, unless a table’s inputs require otherwise; such a table names its license on its own page.

Upstream data keeps its own terms. Each dataset page records them and the credit its publisher asks for.

How to cite

A page

Limits. gridprims. https://gridprims.com/limits/ (accessed 2026-10-31).

A tool result

"12 MWh is 40.95 MMBtu." Energy unit converter, version 0.2.0. gridprims. https://gridprims.com/tools/calc/energy-units/convert/#value=12&from=MWh&to=MMBtu

A dataset version

2020 ZCTA to County Relationship File (U.S. Census Bureau), version 2026-10 (as of 2021-12-09). Source: U.S. Census Bureau, 2020 ZCTA to County Relationship File. Copy kept by gridprims: https://gridprims.com/data/census-zcta-county/