Integrated Wind, Solar and Energy Storage Project
IL&FS Energy Development Company’s and GE’s groundbreaking project in India will enable the country to meet its ambitious renewable energy goal, while connecting more people to more reliable, affordable, efficient and clean energy
INTRODUCTION
India has set an ambitious goal of increasing renewable capacity to 175GW by 2022. This study, commissioned by IL&FS development and funded by the USTDA, evaluated the technical and commercial feasibility of an integrated wind, solar and energy storage (IWSES) plant with combined generation capacity of more than 1,200MW.
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THE HYPOTHESIS
By combining wind and solar generation at the same location, we could make the most efficient use of existing land and grid infrastructure, while also having a better generation profile. By adding a battery energy storage system (BESS) we could provide grid-level and plant level balancing services.
PILOT GOAL
Develop a plan for a 41MW Project with an 16% expected rate-of-return
The Formula
Solar →
Solar: 25MW
Wind →
Wind: 16MW
Battery →
Battery: 10MW/15MWh
A BESS that is integrated with the wind-solar plant can provide the following benefits: assist the plant with grid code compliance, provide balancing services to the plant, help the larger grid system recover from faults, assist the system in maintaining tie line flows and frequency, assist the system in managing net load ramps, shift energy to peak load hours, assist in managing transmission congestion, provide other ancillary services such as black start and voltage regulation.
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The study had two main objectives. A project-specific objective of developing the high-level technical design, as well as the financing plan for a cumulative 1240MW IWSES at two sites in India (Ananthpur and Kutch). A more general objective of investigating regulatory changes that will be required to enable BESS to provide plant and system level services, as well as developing business models for IWSES.
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The study had two main objectives. A project-specific objective of developing the high-level technical design, as well as the financing plan for a cumulative 1240MW IWSES at two sites in India (Ananthpur and Kutch). A more general objective of investigating regulatory changes that will be required to enable BESS to provide plant and system level services, as well as developing business models for IWSES.
The study encompassed several major tasks for developing an IWSES project:
- Technical design
- Benefit-cost analysis
- Financing Plan
- Environmental and Social Impact Assessment Plan
- Recommendation regarding storage-related policies and regulations