Free to test and evaluate

Make unlimited TMY data requests at Solcast's unmetered locations

Ask our team for an extended free trial or to assess TMY PXX data (conditions apply)

TMY Pro

Best For

Resource Assessment

TIME GRANULARITY

Hourly (60 minutes) Only

PXX LEVELS AVAILABLE

P50 Only

WEIGHTS USED FOR PAST MONTH SELECTION

Can be Specified in Request (combination of GHI and DNI)

PERIOD OF DATA USED

2007 to 2023

FINEST SPATIAL RESOLUTION USED (ELEVATION AND IRRADIANCE MODELLING)

90m

EACH REQUEST CONTAINS (FOR ONE LOCATION PER REQUEST)

One Calendar Year of Hourly Data (8760)

DATA FORMATS

CSV, SAM, TMY3, PVSyst, JSON

DATA ACCESS OPTIONS

API

HISTORICAL TIME SERIES OR LIVE & FORECAST DATA

Not included in this plan. Multi-plan discounts apply to add additional plans - Ask Sales for a Quote

Global Coverage

Irradiance, weather & rooftop PV power data

Ground Albedo data and Snow Soiling losses

Clear-sky & probabilistic scenarios

Enforced consistency with long term average of Historic Time Series data

Option to add Advanced PV Power model

TMY Max

Best for

Resource Uncertainty Assessment, Sub-hourly losses

TIME GRANULARITY

Hourly (60 minutes), plus 15, 20, 30 Minute

PXX LEVELS AVAILABLE

P50, P75, P90, P95

WEIGHTS USED FOR PAST MONTH SELECTION

Can be Specified in Request (combination of GHI and DNI)

PERIOD OF DATA USED

2007 to 2023

FINEST SPATIAL RESOLUTION USED (ELEVATION AND IRRADIANCE MODELLING)

90m

EACH REQUEST CONTAINS (FOR ONE LOCATION PER REQUEST)

One Calendar Year of Data (at chosen temporal resolution)

DATA FORMATS

CSV, SAM, TMY3, PVSyst, JSON

DATA ACCESS OPTIONS

API

HISTORICAL TIME SERIES OR LIVE & FORECAST DATA

Not included in this plan. Multi-plan discounts apply to add additional plans - Ask Sales for a Quote

Global Coverage

Irradiance, weather & rooftop PV power data

Ground Albedo data and Snow Soiling losses

Clear-sky & probabilistic scenarios

Enforced consistency with long term average of Historic Time Series data

Option to add Advanced PV Power model

What our customers say

Adding Solcast's weather data in our hydrogen storage systems improved our control strategy that responds well to weather patterns.

Meinhard Ploner

GKN Hydrogen

Forecasts are crucial in optimizing renewable power plants with predictive controls. Solcast’s forecasts, and the resulting decisions we make with them, are front and center for our operators.

Stephen Schneider

Wärtsilä

On top of our sophisticated solar modelling, Solcast's accurate data has elevated what we already have and allowed us to expand to new geographies.

Rachel Liddell

Aurora Solar

Accurate real-time and forecasted weather data is crucial for assessing plant performance and maximizing the value of clean energy assets.

Taylor Grafton

Also Energy

Solcast's "Estimated Actuals" closes the gap for our owned and third-party solar portfolios.

Cypress Creek Renewables

As far as we know, there's no provider that can provide a more accurate forecast.

Samuel Muhr

Hymate