Power grid strains to meet peak daytime demand; government urges conservation

📌 Summary:

• For the first time this summer, India's power grid struggled to fully meet peak daytime electricity demand, with a daytime shortage of 188 MW recorded as demand touched a record 270 GW on Thursday (Grid India data)

• The power ministry urged citizens to use electricity "wisely and judiciously" amid power cuts reported from several parts of the country; even a slight demand-supply mismatch can cause grid-frequency fluctuations and risk grid stability

• Night-time strain is more acute: solar generation drops sharply after sunset while cooling demand stays high — night-time demand hit a record 251 GW on Thursday with a 2.5 GW shortfall; shortages occurred on all four days that week

• Notably, the daily peak demand on all four days occurred in the afternoon (3:40-3:45 PM), when solar generation is high — underscoring that the deeper challenge is the post-sunset gap in an increasingly renewable-heavy grid

• Thermal outages worsened the shortfall: as of May 20, at least 23 GW of coal- and nuclear-based capacity was under forced outage; experts stress the need to expand firm baseload generation and energy storage, as baseload additions (16.5 GW thermal) have lagged renewable additions (around 43 GW between April 2025 and January 2026)

🎯 UPSC Relevance: GS3 Economy and Infrastructure — energy security, grid stability, the intermittency challenge of renewable energy, and the need for baseload capacity and energy storage.

📝 Prelims Facts:

• India's peak power demand touched a record 270 GW (day) and 251 GW (night) in May 2026

• Grid Controller of India (Grid India) operates the national grid; the Central Electricity Authority (CEA) tracks generation capacity

• Forced outage refers to unplanned shutdowns due to technical faults, equipment failure or fuel constraints

🔑 Key Term: Baseload power — the minimum, continuous level of electricity that must be supplied round the clock, traditionally met by thermal and nuclear plants, which renewables alone cannot reliably provide.