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Renewable energy forecasting

Find your competitive edge with the industry's most accurate wind and solar energy forecasts.

Wind and solar energy forecasting

Accurate energy forecasts are essential to effectively manage assets and investments, reduce risk, and gain a competitive edge in energy markets. Vaisala Xweather combines cutting-edge modeling, robust data science, and high-speed supercomputing to produce accurate energy forecasts up to 240 hours ahead for individual wind and solar projects and regions. We deliver high-quality observed and forecasted renewable energy data for solar and wind farms across the United States and Canada with other regions available on request.

Wind energy forecasts

Our wind power generation forecasts combine the actual operating characteristics of each project, the most advanced weather forecasts available, and powerful machine learning algorithms.

Solar energy forecasts

Xweather solar energy forecasts use cutting-edge supercomputing capabilities to combine each solar project's unique environmental considerations with superior irradiance forecasts.

Video: Accurate wind & solar energy forecasting

See how accurate renewable energy forecasts help you optimize your site operations and trading in energy markets. In this video, you'll discover the difference between good and bad energy forecasts and see practical examples of site-specific and regional energy forecasting. You'll also learn about our latest innovations in satellite-based cloud nowcasting for improved short-term irradiance forecasts.

Improved situational awareness

The Xweather situational awareness tool forecasts the key weather parameters for renewable energy globally and provides an intuitive, map-based visualization of renewable energy production across the major electricity trading markets in the United States and parts of Canada.

Energy forecasting

Circles on the map mark the location of energy projects. The color indicates the project’s estimated energy output as a percentage of its nameplate capacity. Here we see a wind farm operating at close to capacity.

Weather forecasting

Map layers include wind speed and direction at hub height 100 meters above ground level, global horizontal irradiance (GHI) at ground level, cloud cover, atmospheric pressure, precipitation rate and type, snow depth, and air temperature at 2 m.

Timeline

Look ahead with an animated six-day forecast or review forecasts from up to 60 hours in the past.

Energy forecasting

Circles on the map mark the location of energy projects. The color indicates the project’s estimated energy output as a percentage of its nameplate capacity. Here we see a wind farm operating at close to capacity.

Weather forecasting

Map layers include wind speed and direction at hub height 100 meters above ground level, global horizontal irradiance (GHI) at ground level, cloud cover, atmospheric pressure, precipitation rate and type, snow depth, and air temperature at 2 m.

Timeline

Look ahead with an animated six-day forecast or review forecasts from up to 60 hours in the past.

Three ways to integrate energy forecasts into your operations

Best for insights

For maximum flexibility and insights, unlock our full suite of energy forecasting and situational awareness tools in the Xweather renewable energy portal. Make it your own with customizable dashboards, highly configurable charts and reports, and powerful verification tools.

Best for integrations

The ideal option for developers, AerisWeather gives you fast, reliable API access to high-quality observed and forecasted energy data for solar and wind farms across the United States and Canada together with the most complete weather APIs available. Try it free for 30 days.

Best for fast access

Snowflake data marketplace gives you instant access to site-level wind and solar energy data for nine North American RTO/ISO regions. See the 7-day forecast and the last 24 hours estimated power for each site. All data sets are live and ready to query. Try it free for 7 days.

90-day free trial

Test and evaluate the accuracy of our site-specific wind and solar energy forecasts with a free 90-day trial at one location of your choice.

Simply fill in the form with your details and we'll be in touch.

Your questions answered

Whatever your wind or solar energy data needs, we’re here to help.
Get in touch today, and let us put our expertise to work for you.