NEW HAVEN, Conn.--(BUSINESS WIRE)--Today, UIL Holdings Corporation (NYSE:UIL) reported consolidated net income of $15.8 million, or $0.28 per diluted share, in the second quarter 2015, compared to $9.3 million, or $0.16 per diluted share, in the second quarter 2014. For the first six months of 2015, consolidated net income was $73.4 million, or $1.28 per diluted share, compared to $64.8 million, or $1.13 per diluted share, for the same period in 2014. Consolidated earnings for the second quarte