The case involves a petition filed by NTPC Limited regarding the adoption of tariffs for solar power projects. NTPC requested the approval of tariffs for a total capacity of 1,500 MW generated from solar power projects connected to the interstate transmission system. The projects were awarded through a competitive bidding process conducted following the guidelines set by the government. These guidelines provide a framework for solar power procurement, with the process ensuring transparency and fairness.
The tendering process began in July 2023 when NTPC issued a request for selection for the projects. Six bidders submitted proposals, offering a total capacity of 2,250 MW. After a thorough evaluation, five bidders were shortlisted, and the final reverse auction was held in January 2024. Based on this auction, NTPC issued letters of award to four successful bidders: Anboto Solar, Apraava Energy, Avaada Energy, and ReNew Solar. The total capacity awarded was 1,500 MW, with tariffs ranging from ₹2.60/kWh to ₹2.65/kWh.
During the petition proceedings, NTPC stated that it had signed agreements for 300 MW with Anboto Solar and the Maharashtra State Electricity Distribution Company Limited (MSEDCL). However, agreements for the remaining capacity were still in discussion with other state utilities. NTPC requested the commission to adopt the tariff for the entire 1500 MW, emphasizing that the execution of agreements is not a precondition for tariff adoption under the guidelines.
The regulatory commission reviewed the bidding process and confirmed that it was conducted transparently and in compliance with the government guidelines. The commission considered the petitions, along with the documents submitted by NTPC, including the evaluation reports from the bidding process. After careful analysis, the commission decided to adopt the tariffs for the awarded capacities.
However, the adoption was conditional. NTPC was required to finalize the remaining agreements for the 1,200 MW that were not yet tied to state utilities. Once these agreements are signed, NTPC must submit the copies to the commission. If NTPC fails to finalize these agreements, they are expected to report this development to the commission.
Additionally, the petition addressed the trading margin. NTPC requested a trading margin of ₹0.07/kWh, which was agreed upon in its agreements with MSEDCL. The commission approved this margin, stating that it complies with the applicable regulations. However, if NTPC fails to meet certain financial obligations, the margin would be capped at ₹0.02/kWh. The petition was largely accepted, with the commission granting the adoption of the tariffs discovered through the competitive bidding process. The decision was based on the adherence to guidelines, and the tariff adoption was contingent upon the completion of the pending agreements for the remaining solar capacity.
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