Alternating current (a.c.) is an oscillation of electrons or 'back and forward' movement. One full cycle of alternating current is shown in the diagram below: ...

Car batteries, dry cells and solar cells all provide a direct current (dc) that only flows in one direction. An alternating current regularly changes direction. On a voltage-time graph ...

Tesla and renewable energy company Zelestra have signed a power purchase agreement (PPA) in Spain, securing a clean energy ...

MGEN Renewable Energy, Inc. (MGreen), the renewable energy arm of Meralco PowerGen Corp. (MGen), has energized its solar power plant in Bongabon, Nueva Ecija, which can generate 19.8 megawatts ...