Responsibilities of DISCOMs in Delhi for rooftop solar

1. The State Electricity Distribution Licensees (DISCOMS) shall extend their support in installing solar power plants and their connectivity with their grid network. They shall comply with the regulatory framework specified by the DERC and provisions contained in this Policy.

2. In case of third-­‐party PPA signed directly with the consumer (RESCO model), the consumer will be responsible for providing appropriate technical details of the solar installations on the consumer’s rooftop to DISCOMS.

3. For each billing period, DISCOM shall show separately:
a. The quantum of units of electricity exported by the Consumer;
b. The quantum of units of electricity imported by the Consumer;
c. The quantum of units of electricity generated by the Consumer’s solar plant (this will be the basis for the DISCOM’s RPO computation and will also facilitate GBI payments to eligible consumers who have opted for GBI);
d. The Net units of electricity billed for payment to the Consumer and
e. The Net units of electricity carried over to the next billing period.
The DISCOM shall also make available online all of the billing data above for each consumer, along with a sample bill explaining the various billing components above.

4. DISCOM will promote online applications for net metering. DISCOMS will also display online the status of all net metering applications received, whether online or offline. DISCOM will maintain a database of net metering application requests, approval status, installation and commissioning data, which will be submitted to the SNA on a quarterly basis.

5. Within 15 (fifteen) days of a consumer’s request for a net metering connection, DISCOM shall replace the consumer’s existing service connection meter with a bidirectional vector summation meter. In case the existing meter is a static meter, the DISCOM may collect a nominal fee from the consumer to cover the reprogramming cost to make such meters bidirectional. Additionally, starting 1 April 2016, all new service connections in Delhi shall have energy meters programmed for bidirectional energy recording and display and shall be time-­‐of-­‐day metering compliant.

6. At the time of commissioning of net metering of a solar system, the DISCOM shall verify that when the service connection is disconnected (e.g. by removing the meter cut-­‐out fuses), the solar plant stops feeding power to the consumer side of the service connection meter or cut-­‐out fuse. This is to ensure that the solar grid inverter stops feeding power into the grid during grid outage.

7. For solar plants generating above 150 kWp, inspection by an Electrical Inspector appointed by the Delhi Government shall be required to ensure quality, safety, and compliance before commissioning. Up to a solar plant capacity of 150 kWp, the consumer shall be responsible for the inspection and verification before commissioning.

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