IDACORP, Inc. (IDA) announced that its board of directors has approved a 3.6% increase in its quarterly dividend rate. The new dividend rate will be 86 cents per share compared with the previous quarter's 83 cents. This increase resulted in an annualized dividend of $3.44 per share compared with the previous level of $3.32. Since 2011, the company's board of directors has authorized dividend increases annually, resulting in a compound annual dividend growth rate of 7.8% and a cumulative dividend increase of ...