​The news article below is about a recent PJM study of costs of implementing EPA's Clean Power Plan, and includes a statement near the end that suggests that retaining more energy efficiency would lower CO2 prices and reduce the number of power plants at risk for retirement.  Anybody seen any more details of this scenario?

JBK

However, according to the analysis, retaining more nuclear generation and adding energy efficiency and renewable energy would likely lower CO2 prices, which could reduce the amount of fossil steam resources at risk for retirement.

The report also suggested state-by-state compliance options would increase the amount of capacity at risk for retirement because some states, namely states that already have a high concentration of coal in their resource mix, would likely face higher CO2 prices in an individual compliance approach.

http://www.statejournal.com/story/28476864/standalone-cpp-compliance-could-be-costly-for-states

Standalone CPP compliance could be costly for states - Business, Government Legal News from throughout WV In complying with federal emissions reduction standards, a PJM Interconnection analysis suggests states team up with their neighbors to lower costs and capacity retirements. Read more...