Petition of the CERC (Conduct of Business) and (Terms and Conditions of Tariff) Regulations for determination of Transmission System for Transfer of Power from generation projects in the Eastern Region – EQ

Summary:

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## 📄 **Case Details**
– **Petition No.**: 337/TT/2022
– **Petitioner**: Power Grid Corporation of India Limited (PGCIL)
– **Respondents**: Bihar State Power (Holding) Company Limited (BSPHCL) and 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 sought approval under **Regulation 86** of:
1. CERC (Conduct of Business) Regulations, 1999
2. CERC (Terms and Conditions of Tariff) Regulations, 2019

For determination of **transmission tariff from COD to 31.03.2024** for assets under:
> **“Transmission System for Transfer of Power from generation projects in Sikkim to NR/WR (Part – B1)”** in the Eastern Region.

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## ⚖️ **Key Issue Discussed**
– PGCIL submitted a **Corrigendum dated 29.10.2025** issued by the **Central Electricity Authority (CEA)**, correcting a **typographical error** in a 2016 CEA Certificate.
– The corrigendum confirms that the asset under tariff approval is for **LILO (Line-In Line-Out)**.
– **Respondents 7 & 8 (TPTL & TUL)** opposed the corrigendum, arguing:
– CEA issued the original Energisation Certificate in 2016.
– In 2018, CEA stated via RTI that it **did not inspect the loop-out portion** nor grant approval.
– They objected to CEA issuing a corrigendum **almost a decade after inspection**.

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