1.6 GWh in 2011.
== Organization and administration ==
Caltech is incorporated as a non-profit corporation and is governed by a privately appointed 46-member board of trustees who serve five-year terms of office and retire at the age of 72. The trustees elect a president to serve as the chief executive officer of the institute and administer the affairs on the institute on behalf of the board, a provost who serves as the chief academic officer of the institute below the president, and ten other vice presidential and other senior positions. Thomas F. Rosenbaum became the ninth president of Caltech in 2014. Caltech's endowment is governed by a permanent trustee committee and administered by an investment office.
The institute is organized into six primary academic divisions: Biology and Biological Engineering (founded 1927), Chemistry and Chemical Engineering (founded 1926), Engineering and Applied Science (founded 1926), Geological and Planetary Sciences (founded 1927), Humanities and Social Sciences (founded …
