The loan guarantee, if finalized, would assure private lenders of repayment if the company were to default. After a slow start, the DOE’s Loan Guarantee Program (LGP) has significantly ramped up activity in recent months under the leadership of Jonathan Silver. It is also coming under attack by budget-cutting Republicans in Congress, who would cut its funding immediately through measures to fund the government for the remainder of the federal fiscal year – a move that Senator Diane Feinstein, Democrat of California, said earlier this week “would devastate private sector investment in renewable energy”.