Covering 7 to 13 February 2026. A one-item week, but an important one for the state with the most installed wind. Every item is checked against the issuing authority's own document.
1. Tamil Nadu notifies a new Electricity Grid Code
TNERC · 13 February 2026
The Tamil Nadu Electricity Grid Code, 2026 comes into force on publication. For wind and solar plants, a generator must certify compliance with the CEA Technical Standards for Connectivity and submit type test reports for low and high voltage ride-through (LVRT and HVRT).
Failing the ride-through requirements is now a violation of grid security. The SLDC must issue a notice giving 30 days to fix it, and then petition the Commission within 15 days if the problem continues. Frequency response and reactive power capability must be tested at the point of interconnection. Where testing is not feasible before commercial operation, simulations may be submitted, but the tests must be done within one year.
Why it matters for wind: Many Tamil Nadu turbines are older machines, often without proven ride-through capability. That matters for repowering, life extension and acquisition due diligence, where compliance history and retrofit costs now carry enforcement risk.