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Solar rooftop installations to fall short of 2022 target: Developers

IANS  |  Kolkata 

Faced with challenges in penetrating the residential and the SME market space, the solar rooftop sector would fall short of its target of installing 40,000 megawatt (mw) capacity by 2022, say developers and experts.

Research findings by consultancy firm Bridge to indicate the rooftop solar market has grown rapidly at a compound annual growth rate (CAGR) of 88 percent in the last five years, mainly due to fast adoption by the corporate sector.

"We estimate that the market added total capacity of about 1,500 mw over the last year, which should grow further to about 2,250 mw in 2019," the firm's Vinay told IANS.

He prophesied that the country would end the target period of March, 2022, with a total rooftop capacity of about 15,000 mw - "way short of the target".

Echoing Rustagi, another consultancy firm Mercom Capital Group's told IANS: "We don't expect the rooftop installations to meet the target. Currently, our projection is the capacity will add up to about 15,000-20,000 mw by 2022. The year-over-year growth rate in rooftop solar space is higher, but actual installation numbers in megawatts are much lower compared to large-scale installations."

Major drivers of Indiaa¿s rooftop market are the "high electricity prices, especially for commercial and industrial consumers" which makes solar economically a better option, Prabhu said.

According to him, inconsistent power supply along with the installations, mandated on government buildings, was helping the rooftop market.

"Commercial and industrial consumers pay grid tariffs of upwards of Rs 7 per unit and can reduce their power bills by almost 50 per cent by using rooftop solar," said.

While the corporate sector was adopting solar rooftop as a tool to reduce their electricity cost, challenges lie in the residential and SME (small and medium enterprises) segment with limited financing options, lack of regulatory clarity.

"Lot of residential and SME projects are unable to draw financing and hence, they must be done on a capex (capital expenditure) basis. The lack of clarity and ease of implementation of regulations such as net metering combined with the lack of skilled and high quality vendors in the small installations business is a major hurdle for this segment," told IANS.

According to CleanMax Solar's Andrew Hines, the residential and MSME segments are more challenging. Today, both these segments remain largely untapped, while in many other countries, they have emerged as important sources of growth.

"In the rooftop segment, there is room for improvement in the regulatory environment. Net metering regulations are already in place in most states. However, these regulations include arbitrary technical constraints or project caps, which unnecessarily limit their effectiveness without any benefit to consumers," he told IANS.

A transparent and consumer-friendly feed-in-tariff for residential consumers would be the right trigger to spur growth in this segment, he said.

Despite a slow-down in growth of installation in the overall solar sector which struggled all through last year, on the back of policy and execution challenges, the rooftop market was exceptional as it is "not dependent on land or transmission availability" and hence, does not face the same operational challenges as large scale on-ground projects do.

Capex (capital expenditure) has been the preferred business model but the share of Opex based installations has risen steadily to 35 per cent, said.

In the Opex model, third party investors own the rooftop solar system, take complete responsibility of building and operating it and sell on site power output to the consumer.

The advantage is that the consumer doesn't have to pay upfront and also doesn't bear any operational risk or responsibility. This model has been gaining in popularity, he said.

--IANS

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(This story has not been edited by Business Standard staff and is auto-generated from a syndicated feed.)

First Published: Tue, February 26 2019. 03:08 IST
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