Petition of the CERC (Conduct of Business) and (Terms and Conditions of Tariff) Regulations for truing up and determination for the transmission system associated with Tanakpur Transmission System” in the Northern Region – EQ

Summary:

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**1. Case Overview**
– **Regulatory Body:** Central Electricity Regulatory Commission (CERC), New Delhi.
– **Petitions:** Multiple petitions (572/TT/2025, 592/TT/2025, 575/TT/2025, 508/TT/2025, 511/TT/2025, 605/TT/2025, 579/TT/2025, 513/TT/2025, 514/TT/2025, 904/TT/2025).
– **Subject:** Petitions for truing up of transmission tariff for the **2019–24 period** and determination of tariff for the **2024–29 period** for various transmission assets across India.
– **Petitioner:** Power Grid Corporation of India Limited (PGCIL).
– **Respondents:** Various state power distribution/management companies (UPPCL, Bihar State Power, Assam Power Distribution, Madhya Pradesh Power Management, etc.).
– **Date of Hearing:** January 21, 2026.
– **Bench:** Shri Ramesh Babu V. and Shri Harish Dudani, Members.

**2. Petition Details**
– **Legal Basis:**
– **Section 62** read with **Section 79(1)(d)** of the Electricity Act, 2003.
– **CERC (Conduct of Business) Regulations, 2023** (Regulations 15(1)(a) and 23).
– **CERC (Terms and Conditions of Tariff) Regulations, 2019** for 2019–24 truing up.
– **CERC (Terms and Conditions of Tariff) Regulations, 2024** for 2024–29 tariff determination.
– **Assets Covered:**
1. **Nathpa-Jhakri Transmission System** (Northern Region)
2. **System Strengthening for Sasan & Mundra UMPP** (Northern Region)
3. **LILO of 400 kV D/C Bongaigaon–Malda Line at Purnea** (Eastern Region)
4. **Transmission System for NER Augmentation** (North Eastern Region)
5. **Transmission System for Kopili Hydroelectric Extension** (North Eastern Region)
6. **Transmission System for Kopili–Khandong (Gohpur–Itanagar)** (North Eastern Region)
7. **Transmission System for Banaskantha (Radhanesda) Solar Park** (Western Region)
8. **Korba Transmission System** (Western Region)
9. **Vindhyachal Stage-II Transmission System** (Western Region)

**3. Proceedings & Directions Issued**
– **PGCIL’s Submission:** Petitions filed for truing up (2019–24) and tariff determination (2024–29).
– **Commission’s Directions:**
1. **Notice** to be issued to all Respondents.
2. **Respondents** to file replies **within one week** (advance copy to PGCIL).
3. **PGCIL** may file rejoinder **within one week** thereafter.
– **Additional Data Requirements:** PGCIL must submit the following **on affidavit within two weeks**:
– **Form 10(B)** – clearly indicating **date of de-capitalisation of assets**.
– **Liability Flow Statement** in Excel format for transmission assets.
– **Forms 7(B) and 4(B)** – related to capital cost and financing.
– **Item-wise details of Additional Capital Expenditure (ACE)** incurred during 2019–24 and projected for 2024–29 **(only for Petition No. 636/TT/2025)**.
– **Documentary evidence** for retention payment for dedicated auxiliary power supply at Badarpur and Nirjuli Substation **(only for Petition No. 605/TT/2025)**.
– **Orders Reserved:** Subject to above compliance, orders reserved in these matters.

**4. Key Business & Regulatory Implications**
– **Truing Up (2019–24):** Ensures tariff reconciliation based on actual costs, allowing recovery of legitimate expenses.
– **Tariff Determination (2024–29):** Sets revenue framework for next 5 years, impacting PGCIL’s financial planning and investment recovery.
– **Multi-Asset Coverage:** Petitions cover critical transmission infrastructure across **Northern, Eastern, North Eastern, and Western Regions**, supporting grid reliability and power evacuation.
– **Transparency & Compliance:** Detailed financial forms (10(B), 4(B), 7(B)), liability statements, and ACE details ensure regulatory scrutiny and accountability.

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