When I toured the island with National Park Service (NPS) staff in August 2010, Jim Calvinperez, the facilities manager and chief engineer, told me that 2, 000 gallons of diesel fuel had to be shipped to the island weekly in order to keep the generators in the power plant humming.

FORBES: Solar-Powered Microgrid Slashes Alcatraz Island's Dependence On Fossil Fuels

The screening-room designer most in demand is Jeff Cooper, an MIT-educated architect and acoustic engineer who has built facilities for George Lucas, Martin Scorsese, Francis Ford Coppola, Robert Zemeckis and, most recently, Mr. Spielberg.

WSJ: Private Screening Rooms: The Best Seat in the House