





Solargis Long Term Averages API helps you assess a large number of locations in a matter of seconds in the prospect and feasibility phase of PV projects.
Get access to solar and meteorological long term averages data worldwide.
Don't make compromises. Start as you mean to go on, from the very first decisions in the prospecting phase, using accurate and validated data that are compatible with later project stages.
Validated by independent studies, Solargis delivers the most accurate long-term average (LTA) data on the market, with the longest recorded history.
Access to long-term solar and meteorological data is crucial in early project development. It supports accurate site assessment and selection of high-potential locations.
Key parameters include solar irradiation, precipitation, air temperature, wind speed, albedo and others.
Connect any third-party software you are already using with reference data streams and automate the ingestion of key data inputs provided by Solargis LTA API.
Our team has an open collaboration channel with the most popular software platforms available in the market so the integration of Solargis data is fast and easy.
Refer to the technical documentation to learn more.
Projects supported by our bankable solar & meteo data, software, and services every year
Years of experience with solar projects and improving industry standards
Coverage of the world’s population with 30 years of solar and meteorological data






In the Regional Solar Energy Potential Study, we analyze not only solar resource information but also meteorological and geographic data.
The analysis considers the uncertainty of resource estimates, intermittent and seasonal variability, extreme weather, and geographic limitations on the deployment of solar power plants.