Kerala's Rooftop Solar Surplus Strains Grid, KSEB Plans Battery Storage Solutions
GS3Economy · S&T · Environment · Security· Infrastructure (energy, ports, roads, railways)· Prelims + Mains·
Why in news
Kerala's rapid adoption of rooftop solar under PM Suryaghar Yojana has created a supply-demand mismatch, prompting KSEB to plan battery storage solutions.
Background
Kerala ranks fourth in India for rooftop solar capacity, aiming for 2,508 MW by May 2026. The state faces a mismatch where peak demand occurs from 6 PM to 11 PM, while solar generation peaks during daylight hours.
Facts for Prelims
- FactKerala's rooftop solar target: 2,508 MW by May 2026
- SchemePM Suryaghar Yojana: Central government scheme to promote rooftop solar installations
- BodyKSEB: Kerala State Electricity Board, the state's primary power utility
- S&TBattery Energy Storage Systems (BESS): Technology used to store excess solar energy for nighttime use
For Mains
Q. Discuss the technical and economic challenges of integrating decentralized renewable energy into state power grids and the role of energy storage in ensuring grid stability.
Dimensions to cover in your answer
- Grid stability risk: Voltage fluctuations and frequency instability caused by intermittent solar supply during peak demand hours
- Economic inefficiency: High costs of importing power at night to compensate for daytime solar surplus
- Infrastructure gap: Requirement for high-capacity Battery Energy Storage Systems (BESS) to balance supply-demand mismatch
Keywords: Grid Stability · Intermittency · Decentralized Generation · Energy Storage Systems · Peak Load Management
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