National Renewable Energy Laboratory · Pricing Plans

National Renewable Energy Laboratory Plans Pricing

NREL's developer network (now hosted at developer.nlr.gov, with developer.nrel.gov scheduled to shut down on 2026-05-29) provides free public APIs for renewable energy data and tools (PVWatts, Solar Resource, Utility Rates, Alternative Fuel Stations, etc.). All access is free; the only differentiation is between the shared DEMO_KEY and a free signed-up API key.

National Renewable Energy Laboratory Plans Pricing is the machine-readable pricing-plan profile for National Renewable Energy Laboratory on the APIs.io network, conforming to the API Commons Plans specification.

It defines 2 plans, covering freemium tiers, with named plans including DEMO_KEY, Signed-up API Key.

Tagged areas include Government, Energy, Renewables, and Open Data.

2 Plans API Commons Plans
View Source
GovernmentEnergyRenewablesOpen Data

Plans

DEMO_KEY freemium

Shared evaluation key intended only for prototyping. Strict per-IP throttling.

Hourly limit (per IP) (request · hour) 0.00 USD
Daily limit (per IP) (request · day) 0.00 USD
Signed-up API Key freemium

Free API key obtained via the developer.nlr.gov signup form. Default rate cap of 1,000 requests per hour per key, applied across all NREL APIs.

Hourly limit (per key) (request · hour) 0.00 USD

Sources