201. National energy efficiency standard
“611. National energy efficiency standard
“(a) In general—The Secretary shall promulgate regulations in accordance with this section setting end-user savings targets for retail electric energy and natural gas suppliers.
“(b) Consultation—The Secretary shall carry out this section in consultation with the Administrator of the Environmental Protection Agency.
“(c) Requirements—With respect to targets under subsection (a):
“(1) The targets shall require each supplier to secure annual savings of a set percentage of the supplier’s most recent year’s sales to retail customers.
“(2) The savings shall be achieved through end-use efficiency improvements at customer facilities.
“(3) The targets—
“(A) for retail electric energy suppliers shall increase gradually from 0.25 percent of sales in 2020 to 1.5 percent of sales in 2025 and each year thereafter through 2030; and
“(B) for retail natural gas suppliers shall increase gradually from 0.25 percent of sales in 2020 to 0.5 percent of sales in 2025 and each year thereafter through 2030.
“(4) The targets are cumulative. Each year’s savings shall be achieved in addition to the previous years’ savings.
“(d) Required percentages after 2030—The Secretary may, upon petition or upon the Secretary’s own initiative, increase the required percentage of end-user savings for years after 2030.
“(e) Market-Based Trading System—The Secretary shall allow suppliers to achieve the targets under subsection (a) through a market-based trading system.
“(f) Rule of construction—Nothing in this section shall be construed to preempt or limit State actions to enhance renewable energy generation or energy efficiency.”