TN minister defends short-term power tenders amid 30% demand surge. Tamil Nadu Energy Minister R Nirmal Kumar defended short-term power tenders, citing a 30% demand spike due to El Niño heat, NLC supply shortfalls, and low wind generation. The state faces a 4,850 MW deficit. Tenders for 3,500 MW were floated; only 1,500 MW will be procured for peak hours through October 31.