Priorities include promoting nPower's sponsorship of the new Wembley Stadium; its Juice product, which provides energy from offshore wind farms; sponsorship of England cricket tests; and its 'Gas Guardian' campaign, which offers to freeze bills until 2007.
It is locked in an increasingly acrimonious battle with British Gas, and faces intense competition from Eon-owned Powergen.
NPower has ceased to work with Ptarmigan after more than five years.
August.One won a three-way pitch. Its brief is mainly consumer brand work but includes product comms, corporate reputation and CSR.
Juice received a publicity fillip this week when Conservative leader David Cameron proudly declared that he had signed up to it.