; or (B) $10 per million Btu of natural gas savings or alternative compliance payment that the retail natural gas supplier failed to achieve or make, respectively. (3) Offsetting State penalties The Secretary shall reduce the amount of any penalty under paragraph (2) by the amount paid by the relevant retail electricity supplier or retail natural gas supplier to a State for failure to comply with the requirements of a State energy efficiency resource standard during the same compliance period, if the State standard— (A) is comparable in type to the Federal standard established under this section