A Performance Calculator for Grid-Connected PV Systems
| PVWATTS v. 1 can be used for locations within the United States and its territories, which are accessible through the list below, or through a clickable map. Researchers at the National Renewable Energy Laboratory developed PVWATTS to permit non-experts to quickly obtain performance estimates for grid-connected PV systems. |
To start the calculator, click on the name a state.
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