Net-metering allows customers of Meralco to install solar PV in maximum power of 100 kilowatts (kW) in capacity. Customers can generate electricity for their own use for free by PV. Any extra electricity generated that is not consumed by the customer is automatically exported to the Meralco's distribution system. The Meralco then gives credit 5,4951 peso for the each excess kilowatt of electricity.
PV produce electric energy for free. All the electric energy is consumed by house devices for free.
PV produce electric energy for free. 30% of energy is consumed by house devices. Unused/excess energy is exported to Meralco for 5,491 PHP.
Meralco electric bill
Family house without PV
Total KWH: 2004 x 11,25 PHP
Total electric bill: 22548 PHP
Same house with 5 kWp PV
Total KWH: 2004
KWH from PV: 850
Self consumption 60% from PV: 510 KWH
Unused energy 40% from PV: 340 KWH
Total current amount: 1494 KWH x 11,25 PHP = 16,807 PHP
Total electric bill: 16,807 PHP - 340 KWH x 5,491 (for unused energy) = 14,940 PHP