Cloudy weather and nighttime: these are the typical daily things that limit the electrical output of Tampa Electric’s 23-megawatt solar array, the Tampa Bay area’s largest, which has a featured spot on WFLA TV. But Monday, Aug. 21 is no ordinary day. The eclipse that will happen around 3 p.m. will place a 2,159-mile-wide celestial body between our array and the sun. So while our company plans don’t include contingencies…