Petition for determination of tariff for “Eastern Region Expansion Scheme – XXVIII (ERES-XXVIII)” of the CERC (Conduct of Business) and (Terms and Conditions of Tariff) Regulations – EQ

Summary:

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#### **1. Overview and Context**

* **Venue:** Central Electricity Regulatory Commission (CERC), New Delhi.
* **Presiding Members:** A bench of four members, chaired by Shri Jishnu Barua.
* **Common Petitioner:** All five petitions were filed by **Power Grid Corporation of India Limited (PGCIL)**, the central transmission utility.
* **Core Subject:** All petitions seek the **determination or “truing up” of transmission tariffs** for specific electricity transmission assets. This is a regulatory process to set the rates that PGCIL can charge for using its transmission infrastructure.
* **Governing Law:** All petitions are filed under **Section 62 of the Electricity Act, 2003**, which deals with tariff determination by the appropriate commission.

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#### **2. Summary of Individual Petitions**

| Petition No. | Subject / Transmission Asset | Key Respondents | Tariff Period Focus |
| :— | :— | :— | :— |
| **448/TT/2024** | Eastern Region Expansion Scheme – XXVIII (ERES-XXVIII) | Bihar State Power (Holding) Company Ltd & Others | 2019-24 |
| **12/TT/2025** | Western Region Communication Strengthening Scheme (WRCSS) | Madhya Pradesh Power Management Co. Ltd & Others | 2019-24 |
| **372/TT/2024** | **Asset-1:** Augmentation works at Pavagada (Tumkur) PS (e.g., bus sectionalizer, bay extensions for Renewable Energy integration). | Tamil Nadu Generation and Distribution Corp. Ltd (TANGEDCO) & Others | 2024-29 |
| **438/TT/2025** | **Asset 1:** 400 kV line bay for ACME Limited at Fatehgarh-II Substation (for Renewable Energy generators). | Uttar Pradesh Power Corporation Ltd & Others | Not explicitly stated, but likely for a future period. |
| **487/TT/2025** | 315 MVA ICT-III at Nagarjunasagar Substation (Southern Region). | Tamil Nadu Generation and Distribution Corp. Ltd (TANGEDCO) & Others | **Truing up** for 2019-24 & **Determination** for 2024-29 |

**Note on “Truing Up”:** This is a regulatory exercise to compare the actual expenditures and revenues of a utility with the projections based on which tariffs were initially set. It results in an adjustment to future tariffs to compensate for any over- or under-recovery.

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#### **3. Key Proceedings and Submissions**

1. **PGCIL’s Position:** Representatives of PGCIL presented their case and requested the Commission to approve the transmission tariffs as claimed in their respective petitions.

2. **Absence of Respondents:** Despite being notified, **no representatives were present** for the respondents in Petition Nos. 487/TT/2025 and 12/TT/2025.

3. **Request from TANGEDCO:** In Petition No. 372/TT/2024, the legal counsel for TANGEDCO (a respondent) requested the Commission to open its filing portal to allow them to submit their reply. He stated that their reply was prepared and ready for submission.

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#### **4. Directives Issued by the Commission**

The Commission issued the following orders:

1. **For All Petitions (Except 438/TT/2025):**
* All respondents who have not yet filed their replies are directed to do so **within two weeks**.
* An advance copy must be provided to PGCIL (the petitioner).
* PGCIL may then file a rejoinder (a reply to the respondents’ replies) **within one week** after receiving all responses.

2. **Specific Directive for Petition No. 438/TT/2025:**
* **Respondent No. 16, CTUIL (Central Transmission Utility of India Ltd)**, is directed to submit the following information **on an affidavit within two weeks**:
* **(i)** Documents related to the connectivity application for the transmission asset.
* **(ii)** A copy of the Long-Term Agreement (LTA) for the transmission asset.
* A copy of this affidavit must be provided to PGCIL.

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