to exceed 10 years for the purchase of electricity from sources of renewable energy,
as that term is defined in section 203(b)(2) of the Energy Policy Act of 2005 (42
U.S.C. 15852(b)(2)).
(b) Limitations. The head of the contracting activity may exercise the authority
in paragraph (a) of this section to enter into a contract for a period in excess of five
years only if the head of the contracting activity determines, on the basis of a
business case analysis (see PGI 217.1, Supplemental Information TAB, for a
business case analysis template and guidance) prepared by the requiring activity,
that-
effective; and
economical manner without the use of a contract for a period in excess of five years.
(c) Nothing in this section shall be construed to preclude the DoD from using
other multiyear contracting authority of DoD to purchase renewable energy.