BOISE--IDACORP, Inc. (NYSE: IDA) reported 2015 net income attributable to IDACORP of $194.7 million, or $3.87 per diluted share, compared with $193.5 million, or $3.85 per diluted share, in 2014. IDACORP recorded fourth quarter net income attributable to IDACORP of $31.8 million, or $0.63 per diluted share, compared with $34.6 million, or $0.69 per diluted share, in the fourth quarter of 2014.