Commercial Solar Grid Tied Electricity Systems

Solar Grid Tied Systems convert energy from sunlight directly into electricity. Total generation of electricity from the solar PV power plant will be exported directly through a dedicated metre for which the customer will be paid. The latter process is known as Net Metering. To learn more about it please read below. The renewable energy solutions for the residential solar grid tied systems from SolarTherm are made possible from REC and Fronius. Alpha Solar Energy Systems is the authorized distributor in Sri Lanka for REC PV panels from Singapore and a trained service partner for Fronius inverters from Austria, one of the leading inverter manufacturers in the world.

SCHEME 01 – NET ACCOUNTING

This Scheme has introduced an additional element to Net Metering where an export tariff for the net energy exported (if any) was introduced. If the generated units of electricity using the solar panels fixed in the roof are greater than the units consumed, the customer will be paid LKR 22.00 per unit during the first 07 years and from the 08th to 20th year LKR 15.50 per unit. If the consumption is greater than the energy generated form the solar panels, the consumer pays the CEB at the existing electricity tariff for the excess energy consumed. The installed capacity of the Generating Facility shall not exceed the Contract Demand of the Producer. The contract period is 20 years.

SCHEME 02 – NET PLUS

Total generation of electricity from the solar PV power plant will be exported directly through a dedicated metre for which the customer will be paid. The energy import will be measured through a separate import metre and be billed as per the existing electricity tariff. The CEB shall read the metre to read the solar power plant output and the other metre to read the import energy. Total generation of electricity from the solar PV power plant will be exported directly through a dedicated metre for which the customer will be paid LKR 22.00 per unit during the first 07 years and from the 08th to 20th year LKR 15.50 per unit. The energy import will be measured through a separate import metre and will be billed as per the existing electricity tariff CEB. The installed capacity of the Generating Facility shall not exceed the Contract Demand of the Producer. The contract period is 20 years.

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Net Metering Schemes

SCHEME 01

NET METERING

The electricity bill will be prepared giving credit to the export, and charging the consumer for the difference between the import and the export. If the export is more than the import in any billing period, the Consumer will receive an export credit, and will be credited towards his next month’s consumption.

Such credits may be carried-over to subsequent months, as long as there is no change in the legal consumer for the premises.

SCHEME 02

NET ACCOUNTING

This Scheme has introduced an additional element to the Scheme 01 where an export tariff for the net energy exported (if any) was introduced. If the generated units of electricity using the solar panels fixed in the roof are greater than the units consumed, the customer will be paid Rs.22.0 per unit during the first 07 yrs and from the 08th year to 20th year he will be paid Rs 15.50 per unit.

If the consumption is greater than the energy generated form the solar panels, consumer has to pay to the CEB at the existing electricity tariff for the excess energy consumed. This Scheme is limited only for the Solar. The installed capacity of the Generating Facility shall not exceed the Contract Demand of the Producer. The contract period is 20 yrs.

SCHEME 03

NET PLUS

Total generation of electricity from the solar PV power plant will be exported directly through a dedicated meter for which the customer will be paid. The energy import will be measuredthrough a separate import meter and will be billed as per the existing electricity tariff. CEB shall read the meter to read the solar power plant output and the other meter to read the import energy. Total generation of electricity from the solar PV power plant will be exported directly through a dedicated meter for which the customer will be paid Rs 22.0 per unit during the first 07 yrs and from the 08th year to 20th year the customer will be paid Rs 15.50 per unit. The energy import will be measured through a separate import meter and will be billed as per the existing electricity tariff CEB. The installed capacity of the Generating Facility shall not exceed the Contract Demand of the Producer. The contract period is 20 yrs.