in forecasting, if applicable, 8 Forecasting Variable Energy Identification of the source Forecasting entity must Capability Resource (VER) of VER forecasts. (If a demonstrate delivery of Unit forecast capability participating wind or solar MW forecast at 5 min intervals unit requires a CAISO for at least three hours ahead. forecast, then BPM and Forecasting entity must also Tariff requirements apply.) provide base schedule by T-75, T-55 and T-40. EIM Entity provides to CAISO real-time MW production PI tags. 9 Forecasting Flexible capacity CAISO has established The CAISO has received and Capability requirements flexible capacity stored all historical data from requirements for the the prospective EIM Entity prospective EIM Entity necessary and sufficient for the Balancing Authority Area CAISO to perform the flexible and the combined EIM Area ramp requirement. including the prospective EIM Entity 10 Balanced Base schedule The prospective EIM Entity 90% or greater of base Schedules balancing capability Scheduling Coordinator schedules balance tests during demonstrates its ability to monitored hours are within 10% balance EIM demand and average imbalance of load EIM supply for the forecast over one day period prospective EIM Entity’s before parallel operation, and Balancing Authority Area 5% average over five full days before full activation. The CAISO will provide examples of MW thresholds for each prospective EIM Entity to indicate a reasonable threshold as it applies to a given EIM Entity and indicate the potential implications of a swing from 5% over to 5% under forecast in one hour to the next.
in forecasting, if applicable, 8 Forecasting Capability Variable Energy Resource (VER) forecast capability Identification of the source of VER forecasts. (If a participating wind or solar unit requires a CAISO forecast, then BPM and Tariff requirements apply.) Forecasting entity must demonstrate delivery of Unit MW forecast at 5 min intervals for at least three hours ahead. Forecasting entity must also provide base schedule by T-75, T-55 and T-40. EIM Entity provides to CAISO real-time MW production PI tags. 9 Forecasting Capability Flexible capacity requirements CAISO has established flexible capacity requirements for the prospective EIM Entity Balancing Authority Area and the combined EIM Area including the prospective EIM Entity The CAISO has received and stored all historical data from the prospective EIM Entity necessary and sufficient for the CAISO to perform the flexible ramp requirement. 10 Balanced Schedules Base schedule balancing capability The prospective EIM Entity Scheduling Coordinator demonstrates its ability to balance EIM demand and EIM supply for the prospective EIM Entity’s Balancing Authority Area 90% or greater of base schedules balance tests during monitored hours are within 10% average imbalance of load forecast over one day period before parallel operation, and 5% average over five full days before full activation. The CAISO will provide examples of MW thresholds for each prospective EIM Entity to indicate a reasonable threshold as it applies to a given EIM Entity and indicate the potential implications of a swing from 5% over to 5% under forecast in one hour to the next.
BPM_for_Energy%20Imbalance%20Market_V13_clean.docx