Question 1

What are wheeling charges on an EV charging station's electricity bill?

Accepted Answer

Wheeling charges are what a consumer pays to use the distribution licensee's wires to carry electricity it bought from somewhere else. They are set by the state electricity regulatory commission per voltage level — MSEDCL's is ₹0.60/kWh at HT for FY 2025-26 and nil at EHV. They apply to open access and captive supply, and they are embedded in the DISCOM's retail tariff when you buy from the DISCOM directly.

Question 2

What is the minimum load for green energy open access in India?

Accepted Answer

100 kW of contracted demand or sanctioned load, under the Electricity (Promoting Renewable Energy Through Green Energy Open Access) Rules, 2022 — down from the 1 MW threshold in the Electricity Act, 2003. The 2023 amendment allows a consumer to aggregate multiple connections within the same distribution division to reach it. Captive consumers face no minimum load at all.

Question 3

Can a public EV charging station buy power through open access?

Accepted Answer

Yes. The Ministry of Power's 2024 charging-infrastructure guidelines state that the owner of a public charging station may obtain electricity through open access within 15 days of submitting a complete application, paying a surcharge not exceeding 20% of the tariff applicable to its consumer category, plus transmission and wheeling charges, with no additional fee beyond those. E-bus depots get the same treatment.

Question 4

Does open access always reduce the cost per unit for a charging hub?

Accepted Answer

No. The saving applies only to the kWh you can actually match to the scheduled open access quantum. A hub with an evening-dominated load curve buying plain solar may match 30–40% of its consumption, turning a ₹2.10/kWh headline gap into roughly ₹0.85/kWh blended — before the legal, scheduling and deviation-management overhead. Model the matched fraction before the tariff stack.

Question 5

Is electricity duty waived for EV charging stations?

Accepted Answer

In some states, for some years. Electricity duty is a state tax set by the state government rather than the regulatory commission, so there is no national rule and no national rate. Several states exempt or reduce it for public charging under their EV policies, typically for a fixed period from commissioning. Verify against the state's own duty notification and check the expiry date — the waiver, not the tariff, is often what a five-year model gets wrong.

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