Get improved weather forecast data access via APIs
re.alto offers access to a broad range of standardised weather forecast packages – from temperature and humidity to wind speed and irradiation data – all tailormade to the energy sector. A simple discovery and API integration process delivers maximum agility in a complex market, enabling forecast sources to be matched to constantly changing portfolio needs.

Top weather forecasting APIs on our marketplace

Solar data
Solargis
Founded in 2010, Solargis provides data to optimise the construction, evaluation and management of solar power assets, as well as maximising profitability for investors. The Solargis API offers some of the most accurate and reliable solar data in the market today.

Weather and environmental data
Meteomatics
Meteomatics delivers fast and simple access to an extensive range of global weather and environmental data. Its weather API offers a single entry point to a vast range of highly accurate data from global weather forecasts to local observations.

Modelling & forecasting data
Energy Quantified
Energy Quantified is a leading provider of high-quality pan-European data and market intelligence, setting the standard for modelling and forecasting of the short-term power market.
Weather forecasting use cases
Energy Trader or Grid Operator
- Navigate the confusing jungle of forecast provider options thanks to simple product descriptions and technical details
- Switch to the best weather forecast provider to fit your updated portfolio with just a few clicks, saving both time and money
- Integrate the forecast data in minutes with our straightforward overview of API standards and OpenAPI documentation
Power generator (renewables)
- Effortlessly link wind or irradiation forecasts to production forecasting by accessing providers who can offer you a direct power forecast of your site with your type of installation
- Explore the available weather data options which offer a long-term view, essential for project bankability and cash flow forecasting
Analytics, modelling and forecasting
- Access weather data to fuel algorithms or forecast load and generation behaviour when modelling grid power flows
- Embed weather forecasts in API format easily into an energy management system or smart device
Wind SCADA data
Smart charging e-mobility
Weather forecasting data
Spot market pricing
Smart meter access
Energy monitoring 2.0
Why re.alto?
Innovate
Create innovative data-driven products, make smarter decisions, and gain value from digital services.
Search and Discover
One central hub enabling the easy discovery and integration of energy-related API products.
Integrate
Browse documentation, test APIs, and copy code snippets. Manage all of your subscriptions from one central place.
Simple Billing and Transactions
Providers set permissions and manage API pricing. re.alto manages invoicing and payments.
Reporting and Analytics
Monitor and manage API usage and API subscriptions in your account portal.
Digital contract management
Contract management between provider and consumer is taken care of with a click of a button. No more complex bureaucracy.