Chancellor Alistair Darling is set to launch a new business energy investment fund aimed at supporting infrastructure projects.
The £2 billion fund will also the cost of commercial electricity provided by energy suppliers.
Speaking to the BBC's Sunday AM programme, Mr Darling explained that the fund is expected to bolster current and future business energy projects across the UK.
"Government can't do it all, but government can make a difference," he said.
"When you look at what's happening in our industries, a bit of government help can unlock a lot of private-sector investment and that is going to be the focus this week."
A fund will also be made available for green transport and energy projects as part of a "budget for growth".
It is estimated that the UK needs to invest around £150 billion in developing its energy infrastructure, which will help moderate domestic and business gas and electricity prices.
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