BreezoMeter Pollen vs PVWatts

BreezoMeter's Pollen API was folded into Google Maps Platform after Google's 2023 BreezoMeter acquisition; the old docs.breezometer.com host now redirects straight to Google's own Pollen product page. The live gateway, pollen.googleapis.com, still serves the same daily pollen forecast and heatmap-tile data for a location, just under a Google Cloud API key and Maps Platform billing.

PVWatts estimates the energy production and cost of grid-connected photovoltaic systems anywhere in the world, given basic system specs like capacity, tilt, and array type. The National Renewable Energy Laboratory's developer portal was renamed to the National Laboratory of the Rockies (NLR) and its host retired on 2026-05-29 — the API itself is unchanged, just served from developer.nlr.gov instead of the old developer.nrel.gov, which no longer resolves.