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)
Calendar Year of Hourly Data (8760 rows)
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)
Calendar Year of Hourly Data (8760 rows)
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
You're in good company
Solcast's "Estimated Actuals" closes the gap for our owned and third-party solar portfolios.
Accurate real-time and forecasted weather data is crucial for assessing plant performance and maximizing the value of clean energy assets.
As far as we know, there's no provider that can provide a more accurate forecast.
Only need data for your own home PV system?
You may be eligible for a limited free account.
