(a) Using bundled renewable energy certificates issued or acquired during the compliance year;
(b) Subject to the limitations described in ORS 469A.140 and 469A.145, using unbundled or banked renewable energy certificates; or
(c) Making alternative compliance payments as described in ORS 469A.180.
(2) Bundled or unbundled renewable energy certificates that are issued or acquired by an electric utility or electricity service supplier on or before March 31 in a calendar year may be used by the utility or supplier to comply with the renewable portfolio standard applicable to the utility or supplier for the preceding calendar year. [2007 c.301 §10]