Wind-Solar Hybrid: India’s Next Wave of Renewable Energy Growth

Wind-Solar Hybrid: India’s Next Wave of Renewable Energy Growth

An Analysis of Tariff Trends, Policy and Regulation, and Challenges in a New Market

India’s total renewable power installed capacity is 88 gigawatts (GW), with ~38 GW of standalone wind energy capacity and 35GW of solar energy capacity as of August 2020. India has plans to reach a total 175 GW of renewable energy (including 100 GW of solar and 60GW of wind) by 2022 and 450 GW by 2030. As this energy transition accelerates, we need to explore various options, technologies and business models –aside from plain vanilla contracts –to expedite the adoption of increasing amounts of low-cost but intermittent renewable energy (RE).

Wind-solar hybrid (WSH), which harnesses both solar and wind energy, is fast emerging as a viable new renewable energy structure in India due to the high potential of both wind and solar resources across various locations and the provision of enhanced grid stability and reliability. To promote the setting up of WSH power plants, the Ministry of New and Renewable Energy (MNRE) adopted the National Wind-Solar Hybrid Policy in 2018 which also provides certain waivers and incentives to developers. Various state governments have also come up with their own WSH policies including Gujarat, Andhra Pradesh, and Rajasthan. As per the tenders allotted under various central and state schemes, according to JMK Research estimates, about 11.7GW of WSH power is likely to come up over the next three years, riding on strong support from Solar Energy Corporation of India (SECI) and several state governments. Capacity addition will rise at a compound annual growth rate (CAGR) of 223% from 2020-2023. SECI tenders for WSH without storage have attracted low tariffs to the tune of Rs2.67/kWh (US¢3.7/kWh) which are comparable to solar tariffs. Adani Green Energy, SB Energy, Greenko, and ReNew Power are the key active participants across WSH tenders.

To understand the tariff trends for WSH projects, we developed a financial model for a 250MW wind-solar hybrid project based on the various assumptions gathered from stakeholder consultations. Our analysis shows that for solar and wind blended at a ratio of 80:20 respectively for a 250MW WSH plant, the levelised tariff comes to Rs2.49/kWh (US¢3.32/kWh), while blending solar and wind at a ratio of 50:50 results in a tariff of about Rs2.57/kWh (US¢3.43/kWh). On analysing the impact of adding a storage component to the WSH project, for a 2-hour battery back-up, the levelised tariff increases substantially to Rs4.59/kWh (US¢6.12/kWh).

Clearly, adding battery storage is not a feasible option at present because it significantly increases project costs and hence the tariffs. However, the declining trend in the battery prices will make these projects viable within a few years and provide more stable power. The engineering, procurement and construction (EPC) cost of battery storage is expected to fall by 15-20%to US$250-270/kWh by 2021 from $300-320 per kWh at present. As part of this report, we have analysed in detail national and state policies and regulatory developments, tender activity, key players in the market, upcoming capacity addition, tariff analysis and the risks and challenges associated with WSH technology.

Table of Contents

1. Executive Summary

2. Market Overview

3. Policy Analysis

4. Wind Solar Hybrid Tender activity

5. Key Players

6. Capacity addition expected in next 3 years

7. Tariff Analysis

8. Risks and Challenges

9. Conclusion

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    JMK Research & Analytics is a specialist consultancy firm providing research and advisory services to Indian and International clients across solar, wind and e-mobility segments.

    Based on our in-depth sector experience, strong industry network, we provide key insights and detailed industry information which helps clients develop successful business models and market strategies.

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