Worldwide real-time solar irradiance data
A sample of Solcast’s high-resolution solar irradiance data in Texas
Live solar irradiance data, available globally through a flexible API framework that’s fast, easy and free to try.
Solcast tracks the Earth’s cloud cover by combining a wide array of unique datasets - including satellite imagery, weather models and aerosol datasets - so you don’t have to. Use our API Toolkit to access solar irradiance estimates in real-time.
Solcast delivers operational solar irradiance data around the world
Our live solar irradiance data are utilised by 30+ enterprise clients and more than 5,000 unique users. We also feature a global network of high-profile partnerships to deliver 24/7 support and bespoke contracts.
Selected customer profiles:
First Solar
| Headquarters: | Tempe, Arizona, USA |
| Core business: | Global solar project development and operations |
| Employees: | >4000 |
Duke Energy
| Headquarters: | Charlotte, North Carolina |
| Core business: | Fortune 150 Company; Electrical utility with >7.7M customers |
| Employees: | >28,000 |
Neoen
| Headquarters: | Paris, France |
| Core business: | Global solar project development and operation |
| Employees: | >100 |
Meteocontrol GmbH
| Headquarters: | Augsburg, Germany |
| Core business: | Global PV monitoring and analytics |
| Employees: | >100 |
Vietnam Electricity (EVN)
| Headquarters: | Hanoi, Vietnam |
| Core business: | National system operator in Vietnam |
| Employees: | >100,000 |
Australian Energy Market Operator (AEMO)
| Headquarters: | Melbourne, Australia |
| Core business: | National system operator in Australia |
| Employees: | >1,000 |
Global Enterprise Partnerships
North America, China, Vietnam
Australia
South America
Taiwan
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Access real-time solar irradiance data within minutes by creating your free API Toolkit account.
Download solar radiation data from just moments ago, reaching back 7 days in the past in CSV, JSON or XML format for your areas of interest. No credit card required. No commitment to buy. Just instant access.
We crunch gigabytes of satellite data on the fly in just seconds to deliver you the latest solar irradiance data
We built an entirely new approach to solar irradiance modelling using the latest in high-resolution weather satellites, machine learning, computer vision and big data. We crunch nearly 10TB of input data every month in a cloud-based environment on AWS and provide real-time access to our data via API. Our Live solar irradiance data products include:
- Solar irradiance data (GHI, DNI, Diffuse)
- Available from real-time through 7 days ago
- Global coverage (all six major continents)
- Rapid update (new irradiance data every 5-15 minutes)
- Exceptionally low latency (tens of seconds for computation)
- Proprietary cloud & aerosol detection (tracking smoke, dust, haze)
- High-resolution data (1-2km)
- Choose between 5/10/15/30 minute resolution
- Delivered via REST API (download CSV, JSON or XML)
- Historical datasets available for up to 20 years
Live solar irradiance data is just a few clicks away via our API Toolkit!
Create your free API Toolkit account, and we will provide you with 1000 free API calls, plus an additional 10 free calls per day for each solar radiation site you create. No commitment required, just instant access to the latest high quality, high resolution solar irradiance data, wherever you need it.