As grid shifts to more renewables, importance of ancillary services to grow, experts say

摘要

As more wind and solar capacity is added to the grid, experts see anrnimportant market question going unanswered: How will the ancillary orrnreliability resources that support variable capacity be compensated forrntheir services?rnSpeaking at the National Association of Regulatory UtilityrnCommissioners summer conference in San Diego on July 17, ThernBrattle Group Senior Associate Michael Kline said that as morernrenewable resources are added to the grid, systems that help balancernout variability, such as battery storage, flywheels or natural gas, arernbecoming more important.