NV Energy, Inc. announced financial results Friday that included $17 million in net income for the final quarter of 2012 and seven cents in diluted earnings per share in that three-month period. The quarterly results compared with a net loss of $25.2 million and a loss of 11 cents in diluted earnings per share for the same quarter at the end of 2011.Net income for 2012 nearly doubled the amount for 2011, reaching $321.9 million compared with $163.4 million in the earlier year. Diluted earnings per share hit $1.35 for 2012, up from 69 cents in 2011.Key factors, the company …