Petition for truing up and the determination of transmission tariff for Coastal Energen Private Limited and Ind-Bharat Power (Madras) Limited LTOA Generation Projects in Southern Region – EQ

Summary:

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## 📄 **Case Details**
– **Petition No.**: 606/TT/2025
– **Petitioner**: Power Grid Corporation of India Limited (PGCIL)
– **Respondents**: Tamil Nadu Generation and Distribution Corporation (TANGEDCO) and 15 Others
– **Date of Hearing**: 11.12.2025
– **Bench**: Shri Ramesh Babu V. (Member), Shri Harish Dudani (Member)

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## 🧾 **Subject of Petition**
PGCIL filed for:
1. **Truing up** of transmission tariff for the **2019–24 tariff period**
2. **Determination** of transmission tariff for the **2024–29 tariff period**

For the combined asset under:
> **“Transmission System associated with Common System associated with Coastal Energen Private Limited and Ind-Bharat Power (Madras) Limited LTOA Generation Projects in Tuticorin Area – Part A”** in the Southern Region.

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## 🗣️ **Key Proceedings**
1. **PGCIL’s Request**:
– Sought **6 weeks** to file the **Revised Cost Estimate (RCE)** for the transmission assets.

2. **Commission’s Directions**:
– Petitioner to file **on affidavit within 2 weeks**:
– **RCE-II** for the petition
– **Detailed calculations of interest rates** for each loan (as per **Form-9C**)
– Copy to be served to all Respondents.

3. **Respondents’ Timeline**:
– To file replies/written submissions/arguments **within 1 week** after receiving PGCIL’s affidavit.
– PGCIL may file a rejoinder **within 1 week** thereafter.

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