Petition for determination of transmission tariff for Mysore Substation in Karnataka in the Southern Region – EQ

Summary:

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### **Case Summary**

* **Petition No.**: 275/TT/2025

* **Petitioner**: Power Grid Corporation of India Limited (PGCIL)

* **Respondents**: Tamil Nadu Generation and Distribution Corporation Limited (TANGEDCO) and 14 others

* **Subject**:
Petition for **determination of transmission tariff** for the 2024–29 tariff period related to:

> “1X500 MVA, 400/220 kV ICT (4th) along with associated bays and equipment at Mysore Sub-station”
> under the project titled:
> “Augmentation of transformation capacity at Mysore Sub-station in Karnataka (Southern Region)”

* **Date of Hearing**: 22 July 2025

* **Coram**:

* Shri Jishnu Barua (Chairperson)
* Shri Ramesh Babu V.
* Shri Harish Dudani
* Shri Ravinder Singh Dhillon

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### **Proceedings and Submissions**

1. **PGCIL Submission**:

* PGCIL stated it had submitted additional details via **affidavit dated 13 June 2025** in response to the **technical validation letter**.
* The petitioner requested the Commission to **approve the tariff** for the stated asset.

2. **Commission’s Direction to Respondents**:

* All Respondents were instructed to **file their replies within two weeks**.
* Replies should be shared with the Petitioner, who may file a **rejoinder within two weeks thereafter**.

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### **Key Directives from the Commission**

#### 1. **To the Petitioner (PGCIL)** – Submit the following within 2 weeks on affidavit:

a. **Detailed comparison** between **award cost and completion cost** of the project.
b. **Activity-wise delay justification** in the following prescribed format:

| Asset Activity-wise details | Original Schedule (Start-End) | Actual Schedule (Start-End) | Time Overrun (Days) | Reason for Delay |
| ————————— | —————————– | ————————— | ——————- | —————- |

c. **Form 12** related to the transmission asset.
d. **Revised Cost Estimate-I** for the project.

#### 2. **To CTUIL (Central Transmission Utility of India Limited)** – Submit on affidavit within two weeks:

* Confirm whether the **timeline extension** under RTM (as per **MoM of 28th NCT meeting dated 21 March 2025**) has been implemented **for this specific asset**.

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### **Next Hearing**

* The case is scheduled for **next hearing on 16 September 2025**.

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