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GROWTHIFYE ONE-PAGER·MERC · Maharashtra·MYT·Case 98 of 2020·Order dated 2020-07-01

MERC partly allows TPC-D's and AEML-D's review petitions on TPC-D's MYT Order; corrects CSS with immediate effect, defers other financial impacts to MTR

Case of Adani Electricity Mumbai Limited (Distribution) seeking review of certain aspects of MYT Order dated 30 March 2020 in Case No. 326 of 2019

Background · what was sought

TPC-D and AEML-D filed review petitions under Section 94(1)(f) EA 2003 against MERC's MYT Order dated 30 March 2020 (Case 326/2019) for TPC-D. TPC-D sought correction of UI reconciliation, double-counted ToD revenue, Income Tax computation errors, and CSS for EHV-PWW category. AEML-D sought correction of UI amount, CSS computation error (transmission charges denominator), and immediate pass-through to protect its competitiveness for retail and open-access consumers versus TPC-D.

What the Commission decided
  • Case 96/2020 (TPC-D) allowed; Case 98/2020 (AEML-D) partly allowed
  • Approved consideration of UI reconciliation amount of Rs. 31.21 Crore in FY2019-20 true-up
  • Approved removal of double-counted ToD revenue from FY2017-18 and FY2018-19 revenue
  • Approved revised Income Tax: Rs.135.23 Cr (FY17-18) and Rs.162.63 Cr (FY18-19) vs Rs.137.77 Cr and Rs.144.18 Cr originally
  • Approved recalculated CSS for FY2020-21 to FY2024-25 using correct Transmission Charges (based on total sales incl. change-over sales), effective immediately from 1 April 2020
  • Rejected TPC-D's request to include AEML-D's distribution losses in CSS 'L' parameter; rejected AEML-D's demand for immediate tariff pass-through of other issues
  • Corrected double allowance of FBSM fund of Rs.257.94 Crore in FY2020-21 (already allowed Rs.166.33 Cr and Rs.82.19 Cr provisionally for FY18-19 and FY19-20)
Way forward agreed by the Commission
  1. Revised CSS tables (Transmission Charges, CSS in Rs/kWh and Rs/kVAh) applicable retroactively from 1 April 2020 for TPC-D consumers
  2. TPC-D to claim consequential impact of UI, ToD revenue, and Income Tax corrections, along with carrying/holding cost, during upcoming Mid Term Review (MTR) proceedings (expected 2022)
  3. FBSM double-allowance correction of Rs.257.94 Crore to be adjusted during upcoming MTR proceedings
  4. FY2019-20 true-up (including UI amount) to be finalized during upcoming MTR proceedings
  5. Commission's office directed to exercise additional vigilance in scrutinizing future Tariff Petitions to avoid similar computational errors
  6. No separate CSS category created for EHV-PWW; such consumers merged into EHV-Public Service (Others) category with CSS now approved for FY2020-21 to FY2024-25
What it means for C&I buyers, OA users & developers
  • • EHV/HT/LT open-access consumers of TPC-D face immediate revision (mostly increase) in Cross Subsidy Surcharge effective 1 April 2020, impacting OA project economics retroactively
  • • C&I consumers under EHV-Public Water Works now fall under 'EHV-Public Service (Others)' category with CSS newly determined for FY20-21 to FY24-25
  • • Tariff/ARR-level financial impacts (UI, ToD, Income Tax, FBSM) are deferred to FY2022 MTR proceedings, so near-term retail tariffs for TPC-D remain unchanged despite errors being acknowledged
  • • Commission's refusal to allow immediate tariff pass-through reinforces regulatory practice of using carrying cost mechanism, meaning C&I consumers should track true-up outcomes rather than expect quick tariff changes
Growthifye take

For C&I buyers and OA users on TPC-D's network, the key actionable item is the retroactive CSS revision (effective 1 April 2020) — recompute open-access cost-benefit analysis immediately. Other financial corrections (UI, ToD, Income Tax, FBSM) are deferred to the 2022 MTR, so near-term tariffs stay stable; track MTR filings for eventual tariff impact with carrying cost. This case also signals MERC's tightening scrutiny of distribution utility financial models amid Mumbai's dual-licensee competition, relevant for any OA/RE developer comparing TPC-D vs AEML-D economics.

Growthifye does not take responsibility for the accuracy of this information. Values are compiled from tariff orders published on the websites of State Electricity Regulatory Commissions and distribution licensees (plus CEA / MoP / Grid-India), parsed automatically and shown with their source. Always verify against the signed order before any commercial decision. This one-pager is a Vidura-assisted summary of the official order; the signed order prevails.

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