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Rooftop Solar Owners Asked to Temporarily Deactivate Systems for Grid Stability
The Pulse
EconomyGeneralSaturday, May 30, 2026

Rooftop Solar Owners Asked to Temporarily Deactivate Systems for Grid Stability

TLDR
  • Solar owners asked to switch off systems May 30th & 31st (8 AM-3 PM).

  • Grid stability sought due to Vesak, low demand, high solar.

  • Temporary power disruptions hit areas yesterday amid requests.

The National System Operator (Private) Limited has requested owners of rooftop solar panel systems to voluntarily switch off their installations until 3:00 PM today, May 30th. This measure is being implemented to ensure the reliability and stability of the national electricity grid during the Vesak holiday period. The company cited a significant drop in electricity demand as a key factor necessitating careful management of power generation and supply. This temporary deactivation aims to safeguard the system's balance and technical safety, allowing for normal operations to resume thereafter.

3 Updates

Update #4\u00b7 May 31 · 3:00 AM

The National System Operator (Private) Limited has reported that temporary power disruptions were experienced in several areas yesterday due to grid instability. This follows the request for rooftop solar owners to voluntarily deactivate their systems today, May 31st, from 8:00 a.m. to 3:00 p.m., a measure taken to ensure the stability of the national electricity grid amidst low demand during the holiday period.

Update #3\u00b7 May 30 · 10:16 AM

The National System Operator (Private) Limited has provided further details on its request for rooftop solar owners to deactivate systems on May 31st. The request is attributed to the combined effect of Vesak Poya and the long weekend, which has led to a significant drop in electricity demand below forecast levels, coupled with a substantial increase in solar power generation, necessitating the measure for grid stability.

Update #2\u00b7 May 30 · 9:01 AM

The National System Operator (Private) Limited has requested rooftop solar panel owners to voluntarily deactivate their systems again tomorrow, May 31st, from 8:00 a.m. to 3:00 p.m. This extension is to ensure grid stability due to anticipated low electricity demand during the Vesak festival period.

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