RERC announces draft (first amendment) Net metering regulations 2018 for rooftop & small solar grid interactive system.

Rajasthan Electricity Regulation Commission (RERC) has recently notified the draft (first amendment) of net metering regulations, 2018 for rooftop & small solar grid interactive system in Rajasthan. The pilot net metering regulations came in 2015, after that this is the first amendment proposed by the commission. Since the first regulations, the feed-in tariff for solar PV has reduced drastically even lower than feed-in-tariff determined by the Commission for such projects. However, the Rajasthan commission is of the opinion that the tariff determined through auctions for Mega power projects cannot be made applicable for Rooftop solar PV projects which are of the kilowatt capacities (max.1000 kW) due to the higher capital cost of such rooftop projects.

The current amendment also talks about the excess electricity generated by the rooftop generator in the regulation clause 10(3) as follows:

“ Provided that in the event the electricity injected exceeds the electricity consumed during the billing period, such excess injected electricity above 50 units shall be paid by the Distribution Licensee at its Average Power Purchase Cost of the previous year. Provided further that Commission may review the above rate through an order as and when required. Net energy credits less than 50 units under Net Metering achieved in the particular billing period shall be adjusted in the next billing period till credit of 50 units is achieved.”

The regulation will come into effect after the date of notification in the official gazette.

Rajasthan commission has also released a discussion paper recently suggesting that the DISCOMs should purchase green energy directly instead of buying the electricity component form the RE projects.

KERC announces a revised tariff order for rooftop solar plants for domestic consumers

KERC has recently announced an order for the “revision of tariff in respect of new Solar Rooftop Photovoltaic Units of 1kW to 10kW capacity installed by domestic consumers”. The government of Karnataka has set a target of 2400 MW of grid-connected rooftop generation projects under its solar policy 2014-2021. As of August 2018, Karnataka’s installed capacity for both ground-mounted and rooftop solar capacity is 5179 MW. Out of the total installed capacity, only 145 MW is solar rooftop photovoltaic plants (SRTPV) units have been installed & commissioned. Karnataka Electricity Regulatory Commission (KERC) the Commission had issued a Discussion Paper in the matter of revision of tariff in respect of new Solar Rooftop Photovoltaic Units of 1kW to 10kW capacity installed by domestic consumers, on 09.09.2018, inviting comments/suggestions from the stakeholders.

One of the reasons for the poor response for installation of rooftop solar photovoltaic plants by the domestic consumers may be the low Feed-In Tariff (FIT) fixed by the Commission as compared to the relatively higher capital cost of smaller capacity SRTPV units. Hence, the Commission was of the considered view that there is a need to promote smaller capacity solar rooftop power plants by the domestic consumers in order to achieve the desired capacity addition of SRTPV plants in the State.

Post the comments and suggestions, the commission has made some changes as below:

  • The CUF is retained to be 19% % even for 1 kW to 10 kW capacity SRTPV Plants from the 16% CUF earlier.
  • The capital cost for SRPTV plants of 1 kW to 10 kW is decided to be INR 48,000/kW.
  • The generic tariff for grid-connected new Solar Rooftop Photovoltaic Units of 1kW to 10kW capacity installed by domestic consumers at INR.4.15 only per unit (without capital subsidy) and at INR.3.08 only per unit (with capital subsidy).
  • The above-mentioned changes will be applicable to new plants with commissioning date on or after 19.12.2018.
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