The GE40T08BAM is a 40 gallon electric water heater with two 5500 Watt elements that uses 240 Volt electricity. It has 2.75" insulation to help reduce heat loss, resulting in less energy consumption, improved operation efficiencies. It is 20" in diameter and is 64" high (65-1/2" to top of water inlet/outlet connections). Plus you will still get the power you need to heat with electricity. The unit ships with a 120°F factory default temperature setting, it is adjustable from 90° - 150°.