View current day and future days wind forecasts (and estimated power output) for wind farms across the United States.

In total, there 1736 wind farms in our database but many are old and very small. Some with just one small turbine. However, for wind farms with at least 10 megawatts (mw) of generation capacity, there are 1039 which are actively providing power to the grid.

Wind forecasts are provided by Windy.com using the GFS weather model created and maintained by the US government and it is regularly being improved with advances in computing power and enhancements in the code behind the model.

Wind speeds shown are taken at hub height (100 meters) and are presented in a meters per second format. Wind turbine manufacturers rate their turbines in m/s and that is why we use those units for wind speed.

Here in the US, the electrical grid (often described as the world's most complex machine) is divided up in several different ways. First off, there are 3 grids. The Eastern Interconnect, the Western Interconnect, and Texas has its own. These grids are connected, but only barely, and have just a few lines between them with the Texas grid (aka ERCOT) being basically its own island.

Within the grids, ISO's run large areas often covering many states. CAISO (often called Cal-ISO) being primary ISO in the west. In the east, MISO, SPP, PJM are the big markets. NYISO and ISONE (New England) are smaller markets in the eastern interconnect as well.

Weather and wind predictions are obviously an inexact sciences and WindInAction makes no claims to the accuracy of the data displayed.

Also, WindInAction power generation estimates may not match reported generation from ISOs. Factors such as curtailments (where the ISO reduces actual generation to the point generation could go all the way down to zero for any given farm or farms even on a windy day), turbine outages, air density, turbulance from nearby turbines, etc will cause numbers to vary. Our generation estimates are based on farm capacity, turbine specs and reported/estimated wind speed.

Wind Turbine data available from U.S. Wind Turbine Database, provided by the U.S.G.S., American Clean Power Association, and Lawrence Berkeley National Laboratory via https://eerscmap.usgs.gov/uswtdb