Outlook On India’s Solar Rooftop Market, 2019-2022 – Impact Analysis Of SRISTI Scheme In Uplifting The Grid-Connected Solar Rooftop Capacities Till 2022


Examining state wise opportunities for grid-connected solar rooftop applications and market sizing for discoms, OEMs, EPC contractors, project developers into residential, industrial, commercial and government segments.

The government of India is projected to make an investment by giving subsidies to the amount of USD 3.3 Billion for scaling up the solar rooftop installations in the country under Sustainable Rooftop Implementation for Solar Transfiguration of India (Sristi) Scheme

The economics of solar power has improved in India. It’s a far more cost-competitive source of electricity generation than it was a decade back or more. The sharp decline witnessed in the module and installation cost of the solar photovoltaic systems in the country and all across the globe has been a significant reason for such a development, and have also pulled up the solar power capacities higher than before. Presently, India boasts a solar power installed capacity of 24 GW, which was not even 1 GW in mid-2000s.


Solar’s changing economics is already influencing the business consumption and investments and given the push from the Indian government, the sector is progressing towards a multi-faceted growth. Talking about consumption, a new demand segment for solar power is picking up the trend i.e. solar rooftops. A good number of companies especially the PSUs with large physical footprints and high power costs are switching towards installing commercial-scale rooftop solar systems, often at less than the current price of buying power from a discom. Also, for the industrial belts where power requirement is massive and congestion in the transmission lines is also high, rooftop systems can be utilized to get some respite.

For instance, as per the latest developments it is to be noted that the premises of Power Grid Corporation in Madhya Pradesh shall be installing solar rooftop systems for its self-consumption and is anticipated to get the electricity at a tariff of INR 1.58/unit, which is way cheaper than what they use to pay erstwhile to the discoms. Similarly, many other government buildings in the state have decided to go ahead with solar rooftop systems with the per unit electricity cost to be INR 1.67. This has been achievable with the deployment of RESCO programme in the state.

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The RESCO model facilitates the beneficiary consumer to buy solar power with zero upfront investment and at a tariff much below the prevailing DISCOM rates. Likewise, the government has been coming out with various other schemes, policies and incentives for increasing capacity additions from solar rooftop systems in order to achieve the target of 40 GW by 2022.


Business Case for Solar Rooftop Segment in India:

  • 40 GW of grid-connected solar power capacity in India is targeted to come through rooftop solar power installations by 2022
  • In a bid to promote production and usage of non-conventional energy in the State, Chhattisgarh government approved the solar power policy in June 2017- under which grid connectivity facility shall be provided up to 10 kilowatt
  • Grid-connected solar rooftop and small solar power plants programme to scale up a budget from INR 600 crores during 12th FYP to INR 5000 crores for implementation over a period of five years up to 2019-20 under National Solar Mission (NSM)
  • 15% government subsidy for non-commercial and non-industrial categories for using domestic solar panels
  • With the constant effort of the Ministry, State Electricity Regulatory Commissions of seventeen states have notified regulatory framework on net-metering /feed-in tariff to encourage rooftop solar plants
  • Government proposes INR 23,450 crores of rooftop solar scheme named SRISTI
  • In many Indian states and market segments, the cost of electricity (LCOE) of rooftop solar is already lower than the existing average grid rates of tariffs
  • Rooftop solar is already achieving grip parity in the residential sectors in states such as Uttar Pradesh, Maharashtra and Rajasthan
  • In the government sector rooftop solar has become competitive in Delhi, Uttar Pradesh , Karnataka, Haryana and Andhra Pradesh
  • In other states, the gap b/w rooftop solar and conventional sources of electricity are fast decreasing
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Key Highlights – Top current set of incentives for solar rooftops in India:

  • Capital Subsidies – Capital subsidy of 30% is applicable to residential, institutional and social sector rooftop solar power plants for General Category States/UTs and Up to 70% of the benchmark cost for the Special Category States i.e. North Eastern States including Sikkim, Uttarakhand, Himachal Pradesh, Jammu & Kashmir and Lakshadweep, Andaman & Nicobar Island
  • Tax Benefits – Direct and indirect tax benefits such as sales tax, excise duty exemptions and custom duty exceptions have been given. Project developers were exempted from income tax on all earnings from a project in its first 10 years of operation and accelerated depreciation (AD) for solar energy producers to claim 40% of the costs in the first year itself
  • Net Metering Incentives – The electricity generated could also be used for self-consumption with the net metering approach. A net metering mechanism allows for a two-way flow of electricity wherein the consumer is billed only for the net’ electricity supplied by the discoms
  • Assured Power Purchase Agreement (PPA) – The electricity generated from solar PV rooftop could be entirely fed into the grid at regulated feed-in-tariffs (FiT). State utilities guarantee the purchase of solar power through a PPA which offers a high price equal to that of the peaking power on demand for the solar power which is secondary power or negative load and an intermittent energy source on a daily basis
  • Renewable Energy Certificates (RECs) – RECs are tradable certificates that provide an incentive to those who generate green power by providing financial incentives for every unit of power they generate. The solar PV rooftop is eligible for issuance of renewable energy certificate (RECs) as specified under Central Electricity Regulatory Commission

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