- Short-term commitments (forecast) of generation
- Seasonal average and distribution of generation
- Accounting for Generation Uncertainty in Long Term PPA's and OTC Power Swaps
CAISO (California) Hourly Wind and Solar Energy Generation
This data product provides hourly solar and wind actual and forecast generation in MW in California ISO.
The ISO is focused on the reliable integration of zero-emission resources such as solar and wind power in support of the state's renewables portfolio standard. With this product, you will see the hourly generation in the three main trade hubs in CAISO.
Wind and solar energy are the lowest cost renewable alternatives and began to dominate the power supply matrix in many parts of the world. However, these renewable supplies are inherently intermittent which creates a challenge for investment and trading decisions.
This data product includes hourly generation for all Trading hubs (TH)
- NP15 (North of Path 15)
- ZP26 (Zone Path 26)
- SP15 (South of Path 15)
- Actual Generation (MW)
- DAM (Day Ahead Market) Generation (MW) Forecast
- HASP (Hour Ahead Scheduling Process) Generation (MW) Forecast
Data Collection Methodology
- Data is cleansed and organized to provide a ready for analysis dataset
- Both historical and current dates of operations are aggregated
- All date and hours are quality checked for consistency and completeness
- Data updates from CAISO three times a day
California Independent System Operator (CAISO) The California Independent System Operator is a non-profit Independent System Operator serving California. It oversees the operation of California's bulk electric power system, transmission lines, and electricity market generated and transmitted by its member utilities.
Related Data Products
- Includes hourly generation in MW
- Includes DAM and HASP generation forecasts
- Updated daily at or before 5:00 PM ET
- Historical data goes back to 2016
- Covers 3 Trading Hubs
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6 Data Columns
Operation Timestamp (opr_ts)
The date and hour when the market runs and Energy is supplied to Load
Trading Hub (trading_hub)
An aggregation of network Pricing Nodes, such as Existing Zone Generation Trading Hubs, maintained and calculated by the California ISO for settlement and trading purposes posted by the California ISO on its California ISO Website
Renewable Energy Source (renewable_type)
Renewable, naturally replenishing but flow-limited, energy sources namely wind and solar
Actual MW Generated (generation_mw_actual)
Total actual energy generated within the trading hub in megawatt
Day-Ahead MW Forecasted (generation_mw_dam)
Forecasted energy in day-ahead market within the trading hub in megawatt
HASP MW Forecasted (generation_mw_hasp)
Forecasted energy in hour-ahead scheduling process within the trading hub in megawatt