Guardian: BT is launching a bid to take part in the multi-billion pound rollout of smart energy meters across the country. BT will today announce a partnership with broadcasting firm Arqiva and Detica, a branch of BAE Systems. The three companies hope to persuade the government that they should build and operate a new nationwide long-range radio network to communicate with the intelligent meters that are being installed in Britain’s 28 million homes and small businesses over the next …