It is a web-based service which will give firms breaking news on price movements and details about their energy position, including outlining each company's energy buying history.
Douglas McLeish, npower's corporate markets director, said the service can help businesses to "better manage energy risk" and make "more informed buying decisions".
He added: "Energy is one of the most volatile costs for businesses, so there is a potentially huge amount of value at stake through the timing of purchasing decisions."
David Workman, director general of the British Manufacturers' Confederation, recently told the Financial Times that small businesses across the UK have been facing crippling energy prices and cannot be expected to survive the combination of recession, credit crunch and high gas and electricity prices.
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