General rule
Curtailment priority applicable only if alternative fuel not available
The provisions of subsection (a) shall apply with respect to any curtailment of deliveries for any essential industrial process or feedstock use only if the Commission determines that use of a fuel (other than natural gas) is not economically practicable and that no fuel is reasonably available as an alternative for such use.
Determination of essential industrial use requirements
section 3391(f)(1)(B) of this titleThe Secretary of Energy shall determine and certify to the Commission the natural gas requirements (expressed either as volumes or percentages of use) of persons (or classes thereof) for essential industrial process and feedstock uses (other than those referred to in ).
Definitions
Essential industrial process or feedstock use
The term “essential industrial process or feedstock use” means any use of natural gas in an industrial process or as a feedstock which the Secretary determines is essential.
High-priority user
section 3391(f)(2) of this titleThe term “high-priority user” has the same meaning as given such term in .