; and (2) $30,000,000 is authorized for the Secretary to use each year in collaboration with the National Laboratories for supercritical enhanced geothermal systems research and development. III Existing and Advanced Nuclear Power Plants 301. Zero-emissions credit program (a) Establishment Not later than 2 years after the date of enactment of this section, the Secretary shall establish a program to be known as the Zero-Emissions Credit Program . (b) Issuance of credits Not later than March 1 of each calendar year beginning after the date on which the Zero-Emissions Credit Program is established, under the Zero-Emissions Credit Program the Secretary shall issue an amount of zero-emissions credits to each owner or operator of a qualified nuclear power plant in the quantity that is equal to the amount of the megawatt hours of electricity sold by such owner or operator to an organized power market in the prior year. (c) Payment for receipt of credits (1) In general Except as provided in paragraphs (2), (3), and (4), under the Zero-Emissions Credit Program the Secretary shall pay an owner or operator of a qualified nuclear power plant $13.25 for each zero-emissions credit an owner or operator submits to the Secretary. (2) Adjustments for inflation Each year, the Secretary shall adjust the amount to be paid under the Zero-Emissions Credit Program for each zero-emissions credit to account for the effects of inflation. (3) Reduction in value of credit If the price for the sale of electricity increases such that payments for zero-emissions credits are no longer needed to prevent the retirement of a qualified nuclear power plant, the Secretary shall reduce the amount to be paid for each zero-emissions credit for such qualifying nuclear power plant in accordance with such change in price. (4) Offset for value of clean electricity credits The Secretary shall reduce the payment to a qualified nuclear power plant for a zero-emissions credit by the value of any clean electricity credits issued to the plant for the same quantity