(2) Amount of rebateRebates provided under the program established under paragraph (1) shall be in an amount not to exceed the lesser of—
For purposes of this section, the term “renewable energy system” has the meaning given that term in section 6865(c)(6)(A) of this title.
(4) Authorization of appropriationsThere are authorized to be appropriated to the Secretary for carrying out this section, to remain available until expended—
$150,000,000 for fiscal year 2006;
$150,000,000 for fiscal year 2007;
$200,000,000 for fiscal year 2008;
$250,000,000 for fiscal year 2009; and
$250,000,000 for fiscal year 2010.