10 C.F.R. § 455.100 Limits to Federal share.
Title 10 - Energy
Amounts made available under this part, together with any other amounts made available from other Federal sources, may not be used to pay more than 50 percent of the costs of technical assistance programs and energy conservation measures unless the grantee qualifies for the exceptions specified in §§455.141(a), 455.142(a), 455.142(b), or for severe hardship assistance specified in §455.142(c). In cases of severe hardship, the Federal share of the cost cannot exceed 90 percent.
Title 10: Energy
PART 455—GRANT PROGRAMS FOR SCHOOLS AND HOSPITALS AND BUILDINGS OWNED BY UNITS OF LOCAL GOVERNMENT AND PUBLIC CARE INSTITUTIONS
Subpart I—Cost Sharing
§ 455.100 Limits to Federal share.

