Salient features of Draft MERC Rooftop RE Regulations 2019
- Banked energy – excess than consumed in same TOD slot wherever applicable
- 1 MW capacity limit – but not for net billing
- Can be owned by consumer, third party or discom
- Generic tariff – RE tariff
- Net billing introduced
- Net metering only to residential consumers – all others under net billing
- Limit of 40% of DTR for both types – discom can allow higher
- Limited by CD or SL – 100%
- With or without battery
- BTM system can be installed only with prior intimation to discom – format provided
- BTM systems can have additional fixed / demand / any other charges if discom proposes andMERC accepts
- BTM systems without prior intimation will be charged at twice these rates
- Generation meter to be procured by consumer at his own cost – maintained by discom
- Check meter for > 20 kW systems
- Check meter for generation meter under net billing arrangement shall be by discom
- Both agreements annexed – can be modified by discom in line with regulations – 20 yearsNet Metering:
- Under net metering only 300 units per month can be used to settle or carry forward – excess generated units than 300 units shall be paid for by discom at generic tariff as per RE tariff regulation
- Excess at the end of year – also at generic tariff of RE for that year
- Exempted from wheeling, banking, CSS, transmission charges and surchargesNet billing:
- Can be connected on consumer side or discom side of the meter
- Entire energy to be sold to discom
- Consumer has to procure net meter if connection is on consumer side
- Tariff in agreement (for the year when system commissioned) constant for 20 years
- Monthly bill to consumer after deducting total generation multiplied by tariff as per PPA
- Generic tariff for RTPV will be with assumptions – 400 Lakh per MW capital cost, 19% CUFand 5% degradation per year – al other financial parameters shall be as per earlier years tariff calculations
- By Arvind Karandikar
Click Below for the full draft
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