Diablo Valley College's Energy Systems program is a great option for anyone interested in a hands on career installing, designing, and maintaining solar water heating, wind energy systems, biodiesel and biofuels, biomass, full cells and related hydrogen energy devices and other small technologies.Energy systems certificates and degrees are generally not intended for transfer. If you are planning on transferring, Energy systems certificates and degrees are generally not intended for transfer. If you are planning on transferring, it is important you meet with a program adviser or counselor to make sure transfer requirements are met.