Tamil Nadu hikes tariff for wind power, slashes it for solar power

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TN Govt

The Tamil Nadu Electricity Regulatory Commission (TNERC) has fixed the tariff for renewable energy. While the tariff for Solar PV projects has been dropped by 27% compared to the previous tariff order, the levelised tariff of  windpower has seen an increased.Solar PV projects at Rs 5.10 per unit and Rs 11.12 per unit for Solar Thermal projects without Accelerated Depreciation (AD). It may be noted, the average tariff for solar in other states are also in the range of Rs 5.5-5.7 per unit.In another order, the Commission has fixed the levelised tariff for wind power at Rs 4.16 per unit without Accelerated Depreciation (AD) benefit. The orders are issued for the next one year.

TNERC said that the AD benefit component of the tariff is Rs.0.54 per unit for solar PV and Rs 1.17 per unit for Solar Thermal. The previous tariff for solar, issued in September, 2014, which was later extended in 2015, was Rs 7.01 per unit for Solar PV projects and Rs. 11.03 per unit for Solar Thermal projects without AD benefit. The AD benefit component of the tariff is Rs.0.73 per unit for solar PV and Rs 1.15 per unit for Solar Thermal.

The levelised tariff for wind power for the year was determined as Rs 4.16 per unit without AD benefit. The accelerated depreciation component of the tariff is Rs 0.46 per unit. The tariff, issued on July, 2012 and later extended, was Rs 3.51 per unit, making the wind mills commissioned on or after the date of issue of order eligible for this tariff.K V Sajay, executive, Vice president – Solar Business Unit, Gamesa India said that to set up a MW of solar unit has been evolving every quarter and the costs has come down due to the increase in volume. There is incremental change in terms of mounting structure. The power plants, which has been developed so far in 1,000 Volts is now shifting to 1,500 volts, which helps to generate more power.

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