; (B) require that energy consumption estimates for customer facilities or portions of facilities in the applicable base and current years be adjusted, as appropriate, to account for changes in weather, level of production, and building area; (C) account for the useful life of measures; (D) include assigned savings values for specific, commonly used measures; (E) allow for savings from a program to be estimated based on extrapolation from a representative sample of participating customers; (F) include procedures for calculating and documenting CHP savings, fuel-switching energy savings, and waste heat energy savings; (G) establish methods for calculating codes and standards energy savings, including the use of verified compliance rates; (H) include procedures for calculating and documenting— (i) customer facility savings and reductions in distribution system losses of electricity and natural gas that are achieved as a result of smart grid deployment, as described in section 1301 of the Energy Independence and Security Act of 2007 ( 42 U.S.C. 17381 ); and (ii) reductions in natural gas distribution system losses attributable to pipeline repair and replacement programs; (I) count only measures and savings that are additional to business-as-usual customer purchase practices; (J) ensure that the retail electricity supplier or retail natural gas supplier claiming the electricity savings or natural gas savings, including codes and standards savings, played a significant role in achieving the savings (including through the activities of a designated agent of the supplier or through the purchase of transferred electricity savings or natural gas savings); (K) avoid double-counting of savings used for compliance with this section, including transferred savings; (L) include electricity savings or natural gas savings from programs administered by the retail electric supplier or natural gas supplier that are funded by Federal, State, or other sources