Charge changes, dated and priced

What each new order does to a typical factory's yearly bill: 6 lakh units a month, 40% from open-access solar.

Updated 15 Oct 2026. Each change is priced with the old and the new value of that one charge, all else equal.

01 Oct 2026
Gujarat: Additional Surcharge (state DISCOMs)
₹0.76/kWh → ₹0.99/kWh ▲ Regulator document
Typical factory (6 lakh units/month, 40% solar): third-party PPA ₹6.6 lakh/yr costlier · group captive no change

GERC Order No. 05 of 2026 dated 10-Sep-2026
01 Sep 2026
Gujarat: Banking charge on banked energy (GEOA)
₹1.50/kWh → ₹1.00/kWh ▼ Regulator document
Typical factory (6 lakh units/month, 40% solar): third-party PPA ₹2.2 lakh/yr cheaper · group captive ₹2.2 lakh/yr cheaper

GERC Green Energy Open Access (Sixth Amendment) Regulations, 2026, Reg. 17.6
01 Apr 2026
Maharashtra — Tata Power-D (Mumbai): InSTS transmission loss (MERC trajectory)
3.28% → 3.26% ▼ Regulator document
Typical factory (6 lakh units/month, 40% solar): third-party PPA no material change · group captive no change

MERC InSTS order, Case No. 208 of 2024 dated 28-Mar-2025
01 Apr 2026
Maharashtra — Tata Power-D (Mumbai): InSTS transmission charge — RE medium/long-term OA, per-unit option
₹1.16/kWh → ₹1.04/kWh ▼ Regulator document
Typical factory (6 lakh units/month, 40% solar): third-party PPA ₹3.5 lakh/yr cheaper · group captive ₹3.5 lakh/yr cheaper

MERC InSTS order, Case No. 208 of 2024 dated 28-Mar-2025
01 Apr 2026
Maharashtra — MSEDCL: InSTS transmission loss (MERC trajectory)
3.28% → 3.26% ▼ Regulator document
Typical factory (6 lakh units/month, 40% solar): third-party PPA no material change · group captive no change

MERC InSTS order, Case No. 208 of 2024 dated 28-Mar-2025
01 Apr 2026
Maharashtra — MSEDCL: InSTS transmission charge — RE medium/long-term OA, per-unit option
₹1.16/kWh → ₹1.04/kWh ▼ Regulator document
Typical factory (6 lakh units/month, 40% solar): third-party PPA ₹3.5 lakh/yr cheaper · group captive ₹3.5 lakh/yr cheaper

MERC InSTS order, Case No. 208 of 2024 dated 28-Mar-2025
01 Apr 2026
Gujarat: STU (GETCO) transmission charge — long/medium-term OA
₹3,918.01/MW/day → ₹3,858.96/MW/day ▼ Regulator document
Typical factory (6 lakh units/month, 40% solar): third-party PPA ₹0.4 lakh/yr cheaper · group captive ₹0.4 lakh/yr cheaper

GERC GETCO tariff order, Case No. 2419/2024 dated 29-Mar-2025

For the full current values, see the Open Access Charges Tracker. For analysis of the latest changes, see Gujarat's open-access changes this autumn.

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