Bluebonnet Electric Cooperative is one of the largest electric cooperatives in Texas and has been serving its Central Texas m ... embers since 1939. Bluebonnet serves more than 103,000 meters, and owns and maintains 11,800 miles of power lines located across more than 3,800 square miles in all or part of 14 counties. Bluebonnet's service area stretches from Travis County to Washington County, from Milam County to Gonzales County. Bluebonnet has more than 300 employees. read more