In this part the following words have the meanings indicated. “Dispatchable energy generation” means a generating station or energy storage device with: an effective load carrying capability of at least 65%, as determined by PJM Interconnection’s most recent ELCC Class Ratings; and a lower greenhouse gas emissions profile than coal or oil energy generating stations. “Effective load carrying capability” or “ELCC” means the expected capacity contribution of an energy resource during PJM Interconnection’s operating hours when there is high electricity demand and low resource output. “Effective nameplate capacity” means the amount of energy an energy storage device can deliver continuously to the electric system over a period of at least 4 hours. “Energy storage device” has the meaning stated in § 7–216 of this title. “Generating station” has the meaning stated in § 7–207 of this title. “Large capacity energy resource” means a generating station or energy storage device that has a capacity rating equal to or greater than 20 megawatts after accounting for the effective load carrying capability.