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Kerala's Rooftop Solar Surge Under PM Suryaghar Yojana Faces Night-Time Peak Demand Mismatch

Target:UPSC GS-IIIMPSCSSC GATeachingPrelims HighMains MediumStatic GK Link
18 Jul 2026
~2 min
Source: Indian Express
Key Data:Solar installed capacity: 2,508 MW (May 2026)Rooftop solar capacity: 2,036 MWPM Suryaghar installations: 2.96 lakhHouseholds covered: 3,03,531PM Suryaghar capacity: 1,150 MWKarnataka installations: 22,383
Bodies:KSEBPM Suryaghar Yojana
Practice MCQs from today's news ▸
What This Article Covers

1.Kerala ranks 4th in rooftop solar capacity (2,036 MW) but experiences power supply issues due to night-time peak demand (6-11 PM) driven by 75% domestic consumers.

2.Prosumers export 64% of generated solar power to the grid during the day, causing voltage rise, and then consume 45% of banked power at night, worsening peak demand.

3.KSEB plans battery energy storage systems (BESS) – first 125 MW unit at Mylatti by Oct 2026 – to store daytime solar for night use, and seeks mandatory battery mandate for plants >3 KW.

The Big Picture
Prelims · HighMains · Medium

Kerala, a leader in rooftop solar under PM Suryaghar Yojana, faces a critical supply challenge: solar generation peaks during the day, but demand surges at night (75% domestic consumers). This mismatch forces KSEB to buy expensive power from the national market, raising costs and grid voltage issues. Battery storage is proposed as a solution.

Exam Lens

Quick Exam Facts From News

Kerala Solar Installed Capacity (May 2026)2,508 MW
Rooftop Solar Capacity2,036 MW
PM Suryaghar Installations (Kerala)2.96 lakh
Households Covered3,03,531
PM Suryaghar Installed Capacity (Kerala)1,150 MW
Karnataka PM Suryaghar Installations22,383
Karnataka Installed Capacity91 MW
Prosumers - Solar Used During Day36%
Solar Exported to Grid64%
Banked Power Used at Night45%
Daily Average Consumption (Kerala)88.45 million units
Domestic Generation (Hydel+Wind+Solar)15 million units
Power Purchases from National Market73.41 million units (83%)
Hydel Addition (Last 10 Years)150 MW
Solar Addition (Last 10 Years)2,400 MW
First BESS Capacity & Location125 MW at Mylatti, Kasaragod
BESS Commissioning DateOctober 2026

1-Minute Revision

  • ›Kerala Solar Installed Capacity (May 2026): 2,508 MW
  • ›Rooftop Solar Capacity: 2,036 MW
  • ›Target this Data: Kerala rooftop solar capacity 2,036 MW (May 2026); PM Suryaghar installations 2.96 lakh; first BESS 125 MW at Mylatti by Oct 2026
  • ›Target this Scheme: PM Suryaghar Yojana (central scheme for rooftop solar)
  • ›Target this Institution: KSEB (Kerala State Electricity Board) – state utility managing power generation and distribution

Mastered this topic? Test your knowledge with a full MCQ quiz.

Practice exam-style questions, track your score, and strengthen your recall.

Q1Static LinkageEasy

Which state electricity board is responsible for power distribution in Kerala and is mentioned in the article?

Q2Statement-basedHard

Consider the following statements regarding Kerala's rooftop solar adoption:

1. Kerala ranks fourth in rooftop solar installed capacity among Indian states.

2. Kerala has 2.96 lakh installations under the PM Suryaghar Yojana, covering 3,03,531 households.

3. Karnataka has more rooftop solar installations than Kerala under PM Suryaghar Yojana.

Which of the statements given above is/are correct?

Q3Data-centricMedium

As of May 2026, what is the installed capacity of rooftop solar panels (excluding other solar) in Kerala?

Q4Application/ImpactMedium

What is the primary reason for Kerala's power supply challenges despite high rooftop solar adoption?

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