MINNEAPOLIS–(BUSINESS WIRE)–Xcel Energy Inc. (NASDAQ: XEL) announced today that Timothy O’Connor, executive vice president, chief operations officer, will retire from the company this summer after nearly two decades of service. In accordance with the company’s succession planning process, two internal executive appointments were announced, which will be effective May 1: Scott Sharp will be named executive vice president, chief generation officer, adding oversight of Nuclear to his portfolio o