Western EIM Enhancements 2020: Updated Business Requirements Specification Posted
MESSAGE
The California ISO has posted an updated version for market participant review of its business requirements specification (BRS) for its Western Energy Imbalance Market (EIM) Enhancements 2020 project. This document provides business requirement clarifications for implementation in the fall 2020 release. Version 1.1 of the BRS includes requirements for support pump storage for Western EIM Balancing Authority Areas and allows non-participating resource owners to access the ISO’s files using the Market Results Interface - Settlements (MRI-S) system.