Philadelphia-based PJM Interconnection is proposing to "place a hard cap on the amount of limited and extended summer demand response that can clear the regional transmission organization's three-year forward capacity auction," Public Power Daily reports. Starting with the 2014/2015 delivery year, "limited demand response resources can be called on up to 10 times from noon to 8 p.m. on weekdays (other than certain holidays) from June through September; each interruption can be for up to six hours. Extended summer demand response must be available from 10 a.m. to 12 p.m. on any day during June-October and the following May, with an unlimited number of interruptions for up to 10 hours each." When unusual heat, combined with planned equipment outages, created emergency electricity conditions in Indiana, Michigan, Ohio and Pennsylvania in September of this year, PJM had to call upon a record amount of demand response (See our Sept 16, 2013, blog post for more information). Stakeholders have spent much of this year working to "identify ways that grid operators can use [demand response] more efficiently to resolve local constraints," while PJM's independent market monitor "has recommended eliminating the limit and extended summer demand response products," the article said. For more, read the full story.