; and (B) for which a regional entity (as defined in subsection (a) of section 215 of the Federal Power Act ( 16 U.S.C. 824o )) has enforcement authority under that section. (13) Probabilistic modeling (A) In general The term probabilistic modeling means a modeling approach that uses statistics to simulate and quantify the likelihood of achieving desired metrics, taking into consideration all modeled uncertainties, for determination of the optimal resource portfolio, such as a modeling approach consistent with the document of the North American Electric Reliability Corporation entitled Probabilistic Assessment Technical Guideline Document and dated August 2016, including the recommendations described in that document. (B) Inclusion The term probabilistic modeling includes modeling that can identify the most important parameters that impact a simulated metric for further characterization or optimization. (14) Regional Transmission Organization The term Regional Transmission Organization has the meaning given the term in section 3 of the Federal Power Act ( 16 U.S.C. 796 ). (15) Reliability standard The term reliability standard has the meaning given the term in section 215(a) of the Federal Power Act ( 16 U.S.C. 824o(a) ). (16) Resource adequacy The term resource adequacy means the adequate supply and provision of electricity from various electric generation resources to meet projected electricity demands in a particular power grid region or service area. (17) Service area The term service area means the area or region served by— (A) an electric utility; (B) a Regional Transmission Organization