Regional Greenhouse Gas Initiative (RGGI); preexisting contracts.

Regional Greenhouse Gas Initiative; preexisting contracts. Establishes a reserve account for the purchase of Regional Greenhouse Gas Initiative (RGGI) allowances by an entity that has a preexisting contractual arrangement related to a power purchase entered into on or before May 16, 2017, and continuing in effect on July 1, 2020, through December 31, 2025. Such entity is authorized under the bill to purchase RGGI credits at a discounted rate, subject to conditions set forth in the bill, if, because of the preexisting contractual arrangement, the entity is unable to pass through or recover its RGGI costs.