Whoever knowingly and willfully damages or attempts or conspires to damage the property of an energy facility in an amount that in fact exceeds or would if the attempted offense had been completed, or if the object of the conspiracy had been achieved, have exceeded $100,000, or damages or attempts or conspires to damage the property of an energy facility in any amount and causes or attempts or conspires to cause a significant interruption or impairment of a function of an energy facility, shall be punishable by a fine under this title or imprisonment for not more than 20 years, or both.

Whoever knowingly and willfully damages or attempts to damage the property of an energy facility in an amount that in fact exceeds or would if the attempted offense had been completed have exceeded $5,000 shall be punishable by a fine under this title, or imprisonment for not more than five years, or both.

For purposes of this section, the term “energy facility” means a facility that is involved in the production, storage, transmission, or distribution of electricity, fuel, or another form or source of energy, or research, development, or demonstration facilities relating thereto, regardless of whether such facility is still under construction or is otherwise not functioning, except a facility subject to the jurisdiction, administration, or in the custody of the Nuclear Regulatory Commission or an interstate gas pipeline facility as defined in section 60101 of title 49.

Whoever is convicted of a violation of subsection (a) or (b) that has resulted in the death of any person shall be subject to imprisonment for any term of years or life.