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Title 10

Displaying title 10, up to date as of 7/15/2026. Title 10 was last amended 7/13/2026.
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Title 10EnergyPart / Section
Chapter IIDepartment of Energy200 – 699
Subchapter EAlternate Fuels500 – 516
Part 500Definitions500.1 – 500.3
§ 500.1Purpose and scope.
§ 500.2General definitions.
§ 500.3Electric regions—electric region groupings for reliability measurements under the Powerplant and Industrial Fuel Use Act of 1978.
Part 501Administrative Procedures and Sanctions501.1 – 501.192
Part 503New Facilities503.1 – 503.44
Subpart AGeneral Prohibition503.1 – 503.3
Subpart BGeneral Requirements for Exemptions503.4 – 503.14
Subpart CTemporary Exemptions for New Facilities503.20 – 503.25
Subpart DPermanent Exemptions for New Facilities503.30 – 503.44
Part 504Existing Powerplants504.2 – 504.9
§ 504.2Purpose and scope.
§§ 504.3-504.4 [Reserved]
§ 504.5Prohibitions by order (certifying powerplants under section 301 of FUA, as amended).
§ 504.6Prohibitions by order (case-by-case).
§ 504.7Prohibition against excessive use of petroleum or natural gas in mixtures—electing powerplants.
§ 504.8Prohibitions against excessive use of petroleum or natural gas in mixtures—certifying powerplants.
§ 504.9Environmental requirements for certifying powerplants.
Appendix I to Part 504
Procedures for the Computation of the Real Cost of Capital
Appendix II to Part 504
Fuel Price Computation
Part 508 [Reserved]
Part 516 [Reserved]