‘‘(i) compel the enlargement of gener-
ating facilities; or 
‘‘(ii) compel the public utility to sell 
or exchange electric energy when to do so 
would impair its ability to render proper, 
adequate, or sufficient service to its cus-
tomers; 
‘‘(B) may require— 
‘‘(i) continuing the operation of an 
electric generating unit; and 
‘‘(ii) any affected State commission, 
Transmission Organization, or public util-
ity to develop and implement a long-term 
plan for the planning, construction, and 
operation of interstate transmission facili-
ties that may be necessary for the public 
utility to provide adequate and sufficient 
interstate service; and 
‘‘(C) shall determine— 
‘‘(i) any rate or charge necessary to 
provide compensation for the additional 
costs of the proper, adequate, or sufficient 
service to be furnished, including com-
pensation to an owner or operator of an 
electric generating unit that is required to
continue to operate under such order, rule, 
or regulation; and 
‘‘(ii) the cost allocation of any rate or 
charge. 
‘‘(3) TERM
LENGTH.—Except as provided in 
paragraph (4), an order, rule, or regulation issued 
under paragraph (1) shall terminate on the date 
that the Commission determines appropriate, which 
may not be later than 5 years after the date on 
which the Commission issues such order, rule, or 
regulation. 
‘‘(4) EXTENSION.— 
‘‘(A) REQUEST FOR EXTENSION.—Not ear-
lier than the date that is 180 days prior to the 
date on which an order, rule, or regulation ter-
minates, as determined under paragraph (3), 
and not later than 60 days prior to such termi-
nation date, any affected State commission, 
Transmission Organization, or public utility 
may submit to the Commission a request to ex-
tend such order, rule, or regulation. 
‘‘(B) DEADLINE.—With respect to a re-
quest submitted under subparagraph (A), the 
Commission shall—
‘‘(i) not later than 14 days after the 
date on which the Commission receives the 
request, notify each affected State commis-
sion, Transmission Organization, and pub-
lic utility of the request; 
‘‘(ii) provide an opportunity for a 
hearing on the request before accepting or 
denying the request under clause (iii); and 
‘‘(iii) not later than 60 days after the 
date on which the Commission receives the 
request— 
‘‘(I) accept the request and ex-
tend the applicable order, rule, or reg-
ulation; or 
‘‘(II) deny the request. 
‘‘(C) TERM LENGTH.—An order, rule, or 
regulation extended under subparagraph (B) 
shall terminate on the date that the Commis-
sion determines appropriate, which may not be 
later than 5 years after the date on which the 
Commission extended such order, rule, or regu-
lation. 
‘‘(5) TREATMENT
OF
CERTAIN
ACTIONS.—To 
the extent an omission or action taken by a party, 
that is necessary to comply with an order, rule, or
regulation issued or extended under this subsection, 
including any omission or action taken to voluntarily 
comply with such order, rule, or regulation, results 
in noncompliance with, or causes such party to not 
comply with, any Federal, State, or local environ-
mental law or regulation, such omission or action 
shall not be considered a violation of such environ-
mental law or regulation, or subject such party to 
any requirement, civil or criminal liability, or a cit-
izen suit under such environmental law or regula-
tion. 
‘‘(b) ADVANCE
NOTICE
OF
PLANNED
RETIRE-
MENTS.— 
‘‘(1) IN GENERAL.—If an owner or operator of 
a generating facility plans to retire an electric gener-
ating unit that is a component of such facility, such 
owner or operator shall submit to the Commission 
and any affected State commission or Transmission 
Organization a notice of such plan at least 5 years 
before the date on which such owner or operator 
plans to retire such electric generating unit. 
‘‘(2) UNPLANNED RETIREMENTS.—An owner or 
operator of a generating facility that retires an elec-
tric generating unit due to an unplanned catas-
trophe, emergency, disaster, or similar event that