Petition for Truing up and determination of transmission tariff for Bawana – Mandaula Double Ckt. and Bamnauli – Ballabhgarh Double Ckt. transmission lines – EQ

Summary:

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### **1. Background**

* The matter relates to a petition filed before the **Central Electricity Regulatory Commission (CERC)** by **Delhi Transco Limited (DTL)**.
* The petition seeks **truing-up of transmission tariff for the 2019–24 control period** and **determination of tariff for the 2024–29 period**.
* The assets involved are:

* **400 kV Bawana – Mandaula Double Circuit line**
* **400 kV Bamnauli – Ballabhgarh Double Circuit line**

### **2. Statutory & Regulatory Framework**

* Petition filed under **Section 62 read with Section 79 of the Electricity Act, 2003**.
* Applicable regulations include:

* CERC (Terms and Conditions of Tariff) Regulations, **2019**
* CERC (Terms and Conditions of Tariff) Regulations, **2024**
* CERC (Conduct of Business) Regulations, **2023**

### **3. Parties Involved**

* **Petitioner:** Delhi Transco Limited (DTL)
* **Respondents:** Power Grid Corporation of India Limited (PGCIL) and Others
* **Intervenors / Distribution Utilities:** BYPL and BRPL

### **4. Hearing Details**

* **Date of Hearing:** 20 November 2025
* **Coram:** Chairperson and three Members of CERC
* Senior legal representatives appeared on behalf of DTL, BYPL, and BRPL.

### **5. Submissions by the Petitioner**

* DTL informed the Commission that:

* Rejoinders to replies filed by BYPL and BRPL have already been submitted.
* Justifications for **Additional Capital Expenditure (ACE)** claims for both tariff periods (2019–24 and 2024–29) have been filed through affidavits, in compliance with earlier Commission directions.

### **6. Directions Issued by the Commission**

* Respondents were directed to:

* File remaining replies, if any, within **two weeks**, with advance copies to the Petitioner.
* Petitioner was directed to submit additional information on affidavit within **two weeks**, including:

* **Income Tax Returns / Assessment Orders** (in sealed cover) to support the claimed **effective tax rate of 34.94%** for 2019–24.
* **Form 9C** detailing individual loans and **Weighted Average Rate of Interest (WAROI)**, supported by an Excel sheet based on the actual loan portfolio.

### **7. Next Steps**

* After receipt of replies, the Petitioner may file rejoinders within **one week**.
* The matter is scheduled for **next hearing on 15 January 2026**.

### **8. Business & Regulatory Implications**

* The outcome will directly impact:

* **Transmission tariff recovery** for DTL.
* **Cost pass-through** to Delhi distribution companies and end consumers.
* Scrutiny of tax rate and financing costs indicates **tight regulatory oversight** on tariff prudence.
* Determination for 2024–29 provides **revenue certainty** for upcoming tariff control period.

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