SiteCheck Trade & Energy – Global Wind Resource Data (NASA POWER) is a paid API for AI agents from api.tradeenergy-api.workers.dev, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-29).
Returns 25-year MERRA-2 climatology wind data for a lat/lon coordinate: annual and monthly mean wind speeds at 10 m and 50 m, prevailing direction, shear exponent, extrapolated hub-height speed, and estimated power density.
Wind resource at a coordinate from NASA POWER (MERRA-2 based 25-year climatology, ~0.5° grid): annual and monthly mean wind speed at 10 m and 50 m, prevailing direction at 50 m, the shear exponent between them, an extrapolated mean speed at your hub height and an estimated mean power density (Rayleigh distribution, air density 1.225 kg/m³). Coarse screening data; the Global Wind Atlas 250 m layers have no public point API.
A JSON object containing: source NASA POWER URL, 25-year climatology period, annual mean wind speeds at 10 m and 50 m (m/s), a dictionary of monthly mean wind speeds at 50 m, prevailing wind direction at 50 m (degrees), shear exponent, extrapolated mean speed at the requested hub height (m/s), and estimated mean power density at hub height (W/m²) assuming a Rayleigh distribution and air density 1.225 kg/m³.
GEThttps://api.tradeenergy-api.workers.dev/api/energy/global-wind-atlas-data?utm_source=zero.xyzUse this endpoint when you need a rapid, free-of-charge coarse wind resource screening for any global coordinate based on 25 years of NASA MERRA-2 reanalysis. It is ideal for early-stage feasibility checks, site comparison, or hub-height extrapolation without needing to license proprietary datasets. Choose this over manually querying NASA POWER directly when you want the shear exponent and hub-height extrapolation computed automatically. Note: for high-resolution micro-siting (250 m Global Wind Atlas layers), no public point API exists, so this is the best automated alternative.
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
{
"type": "json",
"example": {
"lat": 41,
"lon": 29,
"note": "Hub speed uses the power law with the 10-50 m shear; power density assumes a Rayleigh (k=2) speed distribution.",
"unit": "m/s",
"period": "25-year Meteorological and Solar Monthly & Annual Climatologies (January 2001 - December 2025)",
"source": "https://power.larc.nasa.gov/api/temporal/climatology/point?parameters=WS10M,WS50M,WD50M&community=RE&longitude=29.00&latitude=41.00&format=JSON",
"checkedAt": "2026-10-23T09:38:21.845Z",
"hubHeightM": 100,
"shearExponent": 0.14,
"monthlyWindSpeed50m": {
"APR": 5.87,
"AUG": 6.81,
"DEC": 6.77,
"FEB": 7.1,
"JAN": 6.92,
"JUL": 6.14,
"JUN": 5.27,
"MAR": 6.72,
"MAY": 5.3,
"NOV": 6.31,
"OCT": 6.24,
"SEP": 6.24
},
"annualMeanWindSpeed10m": 5.03,
"annualMeanWindSpeed50m": 6.31,
"estimatedMeanSpeedAtHub": 6.96,
"prevailingDirection50mDeg": 42.5,
"estimatedPowerDensityAtHubWm2": 394
}
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