Transition of autonomous house self-supply solar energy ratio and appraisal of energy cost

摘要

We wear lived in our solar energy Autonomous House for 55 months. In the latest 5 months self-supply ratio for a" energy consumption was more than 100%. It will be attain to get nearly 100% for annual energy supply The cost of solar energy equipment (PV and another) in this house was almost balanced to the supply electricity charge.