The Pinnapuram Integrated Renewable Energy Project (PREP), developed by Greenko, is a large-scale initiative in Kurnool district, Andhra Pradesh, featuring a 1,680 MW pumped storage hydropower project (PSHP) and a 3,000 MW solar power project. The solar project is expected to begin generating 700 MW by the end of March 2024. A 550 MW wind power project is also part of the integrated plan.
Pinnapuram Pumped Storage Hydropower Project (PSHP):
Capacity:
1,680 MW.
Status:
At an advanced stage, nearing completion, with full operational status expected within three months.
Location:
Involves the construction of upper and lower reservoirs near Pinnapuram village in Panyam Mandal.
Key Features:
Utilizes the existing Gorakallu balancing reservoir.
Rock fill embankments for the reservoirs.
Surface powerhouse with multiple reversible Francis type units.
Independent penstocks and a bifurcated penstock for power generation.
Double Fed Induction Motor Generators with adjustable speed for optimal efficiency.
Gas-insulated switchgear.
Hydraulic short circuit provision for flexibility.
Spinning reserve in condenser mode for grid stability.
Environmental Considerations:
Small catchment area, minimal need for spillways and embankments due to the absence of silt.
Comprehensive environmental management strategies for ecological impacts, including compensatory afforestation and catchment area treatment.
Rehabilitation and resettlement efforts are planned.
3,000 MW Solar Project:
Expected Generation: 700 MW by the end of March 2024.
550 MW Wind Power Project:
Expected Availability: Around the same time as the solar project.
Overall:
The Pinnapuram project is designed to provide schedulable, on-demand power to consumers across India, leveraging a combination of renewable energy sources and energy storage solutions. It is considered a model for sustainable energy integration in India.
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