pvwatts
Pack: nrel · Endpoint: https://gateway.pipeworx.io/nrel/mcp
Solar energy production estimate (PVWatts v8) for a photovoltaic system at a lat/lon. Returns estimated annual AC energy (kWh), capacity factor, solar radiation, and monthly production. Example: pvwatts({ lat: 40.0, lon: -105.25, system_capacity: 4 })
Parameters
| Name | Type | Required | Description |
|---|---|---|---|
lat | number | yes | Latitude in decimal degrees, e.g. 40.0 |
lon | number | yes | Longitude in decimal degrees, e.g. -105.25 |
system_capacity | number | no | System size in kW DC (default 4) |
tilt | number | no | Array tilt in degrees (default 20) |
azimuth | number | no | Array azimuth in degrees, 180 = south (default 180) |
array_type | number | no | Array type: 0=fixed open rack, 1=fixed roof mount, 2=1-axis tracking, 3=1-axis backtracking, 4=2-axis tracking (default 1) |
module_type | number | no | Module type: 0=standard, 1=premium, 2=thin film (default 0) |
losses | number | no | System losses in percent (default 14) |
_apiKey | string | no | Optional — your own NREL / api.data.gov API key for higher limits; omit to use the shared Pipeworx key. |
Example call
curl -X POST https://gateway.pipeworx.io/nrel/mcp \
-H 'Content-Type: application/json' \
-d '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"pvwatts","arguments":{}}}'Connect
Add this to your MCP client config, or use one-click install buttons:
{
"mcpServers": {
"nrel": {
"url": "https://gateway.pipeworx.io/nrel/mcp"
}
}
}See Getting Started for client-specific install steps.