Distributed energy storage won the bid

Does over-mitigation affect storage resources?

Over-mitigation could have impacts on these storage resources Accuracy issues with the charging costs embedded in the default energy bid Market participants may be able to better predict high prices in the real-time markets Opportunity costs for the following day/period should be included in the default energy bid

Will negative prices affect the default energy bid?

ISO notes that negatively priced intervals will impact the default energy bid through the bid multiplier in the opposite direction as the proposal anticipated From analysis previously completed by the ISO, negative prices would impact the default energy bid during more than 20 days in 2019 sample data

Are costs to buy energy necessary in the dam?

Costs to buy energy may not be necessary in the DAM The proposed default energy bid continues to be based on three primary cost categories: ISO notes that negatively priced intervals will impact the default energy bid through the bid multiplier in the opposite direction as the proposal anticipated

Should storage resources be excluded from ISO market power mitigation tools?

Exclude ‘small’ storage resources from being subject to the ISO market power mitigation logic tools Over-mitigation could have impacts on these storage resources Accuracy issues with the charging costs embedded in the default energy bid Market participants may be able to better predict high prices in the real-time markets

What improvements have been made to the state of charge system?

Improvements included the ability for submitting the state of charge as a daily bid parameter in the day-ahead market, as well as an option to not provide state of charge limits or not have the ISO co-optimize non-generator resources based on state of charge.