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India's power regulator warns of grid violations in renewable energy projects

India's power regulator asked grid operators on Monday to crackdown on renewable energy projects which fail to meet technical specifications, warning that persistent offenders could be disconnected in order to protect grid stability.

The Central Electricity Regulatory Commission said that solar and wind power plants' repeated failure to comply with ride-through standards for low-voltage and higher-voltage systems caused them to suffer from generation losses, and their frequency dropped during fault events.

Grid safety regulations require that wind and solar power plants remain connected to the grid during voltage spikes and dips due to faults. This prevents them from tripping off and causing grid disturbances.

This case highlights the growing concern over grid security in India as it accelerates its renewable capacity additions in order to meet its 2030 clean-energy targets.

The petition was filed by the Northern Regional Load Despatch Centre. It stated that several renewable generators had repeatedly failed to comply despite numerous meetings and reminders.

The regulator has noted that only two generators, including Adani's hybrid project, have met the full compliance requirements so far. Others have not yet submitted mandatory self-audit reporting.

The CERC instructed the Northern Regional Load Despatch Centre (NRLDC) and Central Transmission Utility of India (CTUI) to convene a high-level conference and develop a procedure for addressing persistent violations. This could include the disconnection of generators.

The regulator has also requested a new compliance review, detailed reporting of grid events and noncompliance rates. (Reporting and editing by Shreya Biwas; Sethuraman N.R.

(source: Reuters)