§ 73.81 Qualified conservation measures and renewable energy generation.
(a) Qualified energy conservation measures. A qualified energy conservation measure is a demand-side measure not operational until the period of applicability, implemented in the residence or facility of a customer to whom the utility sells electricity, that:
(1) Is specified in appendix A(1) of this subpart; or
(2) In the case of a device or material that is not included in appendix A(1) of this subpart,
(i) Is a cost-effective demand-side measure consistent with an applicable least-cost plan or least-cost planning process that increases the efficiency of the customer's use of electricity (as measured in accordance with § 73.82(c)) without increasing the use by the customer of any fuel other than qualified renewable energy, industrial waste heat, or, pursuant to paragraph (b)(5) of this section, industrial waste gases;