Summary:
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#### **1. Case Overview**
* **Petitioner:** **Power Grid Corporation of India Limited (PGCIL)**
* **Subject:** The petition is a comprehensive request for tariff adjustments for specific transmission assets in the Northern Region across multiple control periods. It combines two petitions:
1. **Petition No. 482/TT/2019:** For assets related to the **Kishenpur-Moga transmission system**.
2. **Petition No. 676/TT/2020:** For assets under **”Augmentation of Transformers in Northern Region Part-A”**.
#### **2. Specific Requests**
PGCIL’s petition seeks the following regulatory approvals:
* **Revision** of the transmission tariff for the historical periods: **2001-04, 2004-09, and 2009-14**.
* **Truing Up** of the tariff for the **2014-19** period. (“Truing Up” adjusts tariffs based on actual vs. approved expenditures).
* **Determination** of the tariff for the **2019-24** period.
#### **3. Assets in Question**
The tariffs are for critical transmission infrastructure, including:
* **Asset-I & II:** Two circuits of the **800 kV Kishenpur-Moga transmission line** with associated bays.
* **Asset-III:** A **420 kV, 63 MVAR Bus Reactor** at Kishenpur Substation and a **420/220 kV, 250 MVA Interconnecting Transformer (ICT III)** at Moga Substation.
* **Other Assets** under the transformer augmentation scheme in Petition 676/TT/2020.
#### **4. Proceedings & Outcome of the Hearing**
* **PGCIL’s Submission:** PGCIL representatives informed the Commission that they had filed revised tariff forms as per previous directions and requested the approval of the tariffs.
* **Commission’s Query:** The CERC bench identified a specific discrepancy. They directed PGCIL to explain, via an affidavit within one week, why they are claiming **de-capitalization/re-capitalization** for the 250 MVA transformer at Moga effective from **April 1, 2014**, when the actual date of de-capitalization was **July 1, 2013**.
* **Final Opportunity for Respondents:** The Commission granted the respondents (17 DISCOMs, led by Rajasthan Rajya Vidyut Prasaran Nigam Ltd.) a **final two-week deadline** to file their replies.
* **Rejoinder:** PGCIL will then have two weeks to file a rejoinder to the respondents’ replies.
* **Order Reserved:** After these submissions, the Commission **reserved its order**, meaning a final decision on the tariff will be issued later.
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