Green Energy Open Access Rules 2022: A C&I Buyer's Guide

Direct Answer: What Do the Green Energy Open Access Rules, 2022 Allow?

The Electricity (Promoting Renewable Energy Through Green Energy Open Access) Rules, 2022—G.S.R. 418(E), notified by the Ministry of Power on 6 June 2022 under Section 176 of the Electricity Act, 2003—let any Indian consumer with a contracted demand or sanctioned load of 100 kW or more buy renewable power directly through open access. The threshold can be met through a single connection or multiple connections aggregating 100 kW within the same electricity division of a discom; captive consumers have no minimum load at all. Applications go through the national GOAR portal (greenopenaccess.in) and must be approved within 15 days, failing which they are deemed approved.

Two amendments in 2023 refined banking, charges and aggregation; no central amendment exists after May 2023. One caveat: the Karnataka High Court struck the Rules down as ultra vires the Electricity Act in December 2024, so state regulations—not the central Rules alone—govern what your factory actually experiences.

Legal status last checked: 13 August 2026.

What Are the Green Energy Open Access Rules, 2022?

Open access lets a consumer buy electricity from someone other than the local distribution company—typically an independent renewable-energy developer—using the existing grid for a regulated charge. Before 2022, most states restricted open access to consumers with a contracted demand of 1 MW or more, which excluded the vast majority of Indian factories, warehouses, hospitals, hotels, IT parks and cold-storage facilities.

The Green Energy Open Access (GEOA) Rules, 2022 changed that floor for green power. Notified as G.S.R. 418(E) on 6 June 2022 under Section 176(1) read with Section 176(2)(z) of the Electricity Act, 2003, the Rules pursue the government's stated goal of accelerating renewable-energy adoption and cutting emissions intensity 45% by 2030 under India's NDC.

The Rules are a central floor, not the final word: each State Electricity Regulatory Commission notifies its own consistent regulations, and it is those state regulations that set the actual charges and procedures a buyer faces. This guide explains the central framework and how to read it alongside your state's rules.

Who Is Eligible — What Is the 100 kW Rule?

Rule 2(1)(b) and Rule 5(2), as amended by the Second Amendment (G.S.R. 381(E), 23 May 2023), define eligibility:

Consumer type	Load rule	Aggregation allowed?
Standard C&I consumer	≥ 100 kW contracted demand / sanctioned load	Yes — single connection or multiple connections aggregating ≥ 100 kW in the same electricity division of a discom
Captive consumer	No minimum load limit	N/A

The aggregation provision matters. A manufacturer with three 40 kW connections in the same discom division now qualifies, even though no single connection crosses 100 kW. And the captive carve-out means a business that takes equity in a group-captive solar plant is not subject to any load threshold at all—this is the sharpest break from the old 1 MW norm.

A second eligibility provision (Rule 5(2), second proviso) requires that once you take green open access, you cannot change the requisitioned quantum for a minimum number of time blocks—no more than 12—so treat the initial requisition as a considered commitment, not a dial.

What Counts as "Green Energy" Under the Rules?

Rule 2(1)(d) defines green energy broadly: electricity from renewable sources including hydro, plus energy storage if the storage is charged from renewable sources, and the mechanisms for green hydrogen and green ammonia. Rule 3 extends applicability to Waste-to-Energy plants as well. The breadth matters for buyers whose renewable strategy is not purely solar—wind, hydro, biomass, WtE and RE-charged storage all qualify.

How Do I Apply — the GOAR Portal and the 15-Day Rule

Rule 6 designates a Central Nodal Agency to run a single-window system and a centralised registry. The Ministry of Power notified POSOCO—now Grid Controller of India Ltd—as the Central Nodal Agency on 8 July 2022, and the registry is the Green Open Access Registry (GOAR) at greenopenaccess.in.

The processing split (Rule 6(3) and the Grid-India procedure):

Term of open access	Nodal agency
Short-term	Load Despatch Centre (RLDC for inter-state, SLDC for intra-state)
Medium- and long-term	State Transmission Utility (intra-state) or Central Transmission Utility (inter-state)

Rule 7 sets the procedure and the consumer protections that give the Rules their teeth:

Register on the GOAR portal (registration is mandatory before applying and is valid three years, renewable).
Apply in the common application format, prescribed by the Central Nodal Agency.
Approval within 15 days of a complete application, by written order—failing which the application is deemed approved, subject to meeting technical requirements. Processing is first-in-first-out, and non-fossil sources get priority over fossil.
No denial without a hearing — any rejection must be a speaking order.
Appeal lies to the Appropriate Commission within 30 days, and the Commission must dispose of it within 3 months.

The 15-day deemed-approval provision is the single most important operational guarantee in the Rules: it converts open access from a discretionary favour into a time-bound entitlement.

What Will It Cost — Green Open Access Charges Explained

Rule 9 enumerates the only charges that may be levied—and closes with the critical line that no charges other than these shall be levied. The First Amendment (G.S.R. 59(E)) revised Rule 9(1) to add banking charges and to name Load Despatch Centre fees, scheduling charges and deviation-settlement charges explicitly.

Charge	Central-rule treatment	Rule reference
Transmission charges	Payable	9(1)(a)
Wheeling charges	Payable	9(1)(b)
Cross-Subsidy Surcharge (CSS)	Per Tariff Policy. For a buyer from an RE plant, CSS cannot be increased for 12 years from the plant's operation date by more than 50% of the surcharge fixed in the year open access was granted. Exempt for non-fossil Waste-to-Energy and green H₂/NH₃	9(1)(c), 9(2)
Additional surcharge	Not applicable if the consumer is paying fixed charges to the discom. Also exempt for WtE, green H₂/NH₃, and offshore wind commissioned up to December 2032	9(2)
Standby charges	Specified by the State Commission; capped at 25% of the energy charges for the consumer category (raised from 10% by the First Amendment); not applicable if the consumer gives at least a day's notice before Day-Ahead Market gate closure on the day before delivery	9(4)
Banking charge	Fixed by the Appropriate Commission; the Forum of Regulators model recommends 8% of banked energy, adjusted in kind	9(1)(e), Rule 8
SLDC fees, scheduling, deviation settlement	Per the relevant Commission regulations	9(1)(f)
Any other charge	Prohibited — "no other charges except the charges above shall be levied"	9(1)

The CSS 12-year / 50% lock is the most valuable protection for a long-tenor PPA: it prevents the surcharge from being raised against you arbitrarily after you have committed to a plant. The additional-surcharge waiver matters because most C&I consumers already pay fixed charges to their discom, which removes the additional surcharge entirely. For how these central caps play out against actual state charges, see the open-access charges state comparison and the state guides for Haryana, Rajasthan, Uttar Pradesh and Gujarat.

How Does Banking Work — the 30% Rule and the No-Carry-Forward Trap

Banking lets you deposit surplus solar generation with the discom and draw it back later. Rule 8, as amended by the First Amendment, sets the central position:

Banking is permitted at least on a monthly basis, on payment of banking charges.
The permitted quantum is at least 30% of the consumer's total monthly electricity consumption from the discom (note: measured against discom consumption, not total consumption from all sources).
Banked credit cannot be carried forward to subsequent banking cycles; unutilised surplus lapses at the end of each banking cycle, and the renewable generator earns RECs on the lapsed quantum.

The First Amendment changed "month" to "banking cycle" without defining the cycle—a drafting gap states have resolved differently. The Forum of Regulators' model regulations recommend monthly (calendar-month) banking with an 8% in-kind banking charge, standby at 125% of the normal tariff, and time-of-day-aware drawal.

The no-carry-forward rule is the trap for an oversized plant: a unit of surplus banked in a low-demand month and not drawn within the same cycle is worth only the REC it generates for the developer, not the retail tariff it would have offset. This is the strongest argument in the Rules for sizing open-access capacity around self-consumption rather than maximum export—exactly as with net metering.

How Do the Rules Interact with RPO, Green Certificates and Captive?

Rule 4 establishes a uniform renewable purchase obligation on all obligated entities—discom, captive user and open-access consumer alike—in a discom's area. A consumer can meet its RPO through several routes: its own renewable generation (no capacity cap, anywhere in India), open-access purchase from a developer, trader or power market, requisition of green power from the discom (minimum one year, in 25% steps up to 100%), captive consumption, RECs, or green hydrogen/ammonia.

Rule 10 then adds the incentive: the discom issues a green certificate on a yearly basis for green energy supplied beyond the consumer's RPO. For a buyer weighing captive against open access, the two frameworks interact—captive and group-captive structures carry no load limit and count toward RPO, while third-party open access offers the same green attribute without the equity commitment. The choice is modelled in CAPEX vs OPEX vs open access.

What Metering and Telemetry Do I Need?

The central Rules leave metering detail to the state procedures that implement them. The consistent pattern across state GEOA regulations and SLDC procedures:

Consumer / plant size	Metering requirement
≥ 1 MW sanctioned load	ABT-compliant Special Energy Meters (SEM), accuracy class 0.2S, at injection and drawal points (main + check)
< 1 MW	Special Energy Meters capable of 15-minute time-block recording
All	Meters per the CEA (Installation and Operation of Meters) Regulations, 2006, as amended; real-time data to the SLDC
≥ 10 MW	Two independent communication channels at the consumer's cost, plus a 24×7 control room

Confirm the exact metering specification in your state's GEOA regulations before ordering equipment—Haryana's net-metering and metering rules illustrate how state-level telemetry requirements scale with system size.

Central Rules vs State Regulations — Which One Governs My Factory?

This is the question the article cannot dodge. The central Rules are a floor; Rule 5(1) directs State Commissions to align their regulations, and the operative charges, banking percentages and procedures a buyer actually faces come from the state regulations. The Ministry of Power issued an alignment directive to the states on 12 February 2024, but adoption and charge levels still vary materially by state.

The Karnataka caveat. On 20 December 2024, in Brindavan Hydropower Pvt. Ltd. v. Union of India (W.P. No. 11235 of 2024), a single-judge bench of the Karnataka High Court (Justice N.S. Sanjay Gowda) struck down the GEOA Rules, 2022 as ultra vires the Electricity Act, 2003—holding that open access, including transmission and wheeling charges, lies in the exclusive domain of the State Commission, and that the Centre could not use its residual rule-making power under Section 176(2)(z) to transgress the statute. The KERC (Terms and Conditions for Green Energy Open Access) Regulations, 2022 were struck down as derivative. The judgment was widely reported in early January 2025, which is why it is sometimes dated to 2025.

For buyers in Sun Wave's core markets—Delhi-NCR, Haryana, Rajasthan and Uttar Pradesh—the central Rules remain the operative central framework and the states have issued their own GEOA regulations. But the Karnataka ruling is a live reminder that the central Rules' enforceability rests on contested legal ground, and that your state's GEOA regulations are the document that actually governs your project. Read the central Rules for the floor and the consumer protections; read your state's regulations for the numbers.

What Changed in the 2023 Amendments — and Is There a Later Amendment?

There are exactly two central amendments, both in 2023:

Notification	Date	What it changed
G.S.R. 418(E) (Principal Rules)	6 June 2022	Full framework: definitions, uniform RPO, 100 kW eligibility, nodal agencies, procedure, banking, charges, green certificate
G.S.R. 59(E) (First Amendment)	27 January 2023	Separate solar/non-solar requisition from the discom; banking "month" → "banking cycle" with lapse + RECs; banking charges and SLDC/scheduling/DSM charges added to Rule 9(1); WtE exemption narrowed to non-fossil; offshore-wind additional-surcharge exemption added; standby cap raised 10% → 25%; standby notice tied to DAM gate closure on D-1
G.S.R. 381(E) (Second Amendment)	23 May 2023	100 kW eligibility extended to aggregated multiple connections in the same electricity division; offshore-wind additional-surcharge exemption extended December 2025 → December 2032

There is no central Third Amendment. Documents circulating online titled "Third/Fourth/Fifth Amendment" to green open access are Gujarat's state regulations (GERC), not amendments to the central Rules—do not conflate them. As of 13 August 2026, the Second Amendment of May 2023 is the last word at the central level.

Frequently Asked Questions

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

100 kW of contracted demand or sanctioned load, met through a single connection or several connections aggregating 100 kW within the same electricity division of a discom (Second Amendment, May 2023). Captive consumers have no minimum load at all.

Is there a 2024 or 2025 amendment to the Green Energy Open Access Rules?

No. The only central amendments are the First Amendment (G.S.R. 59(E), 27 January 2023) and the Second Amendment (G.S.R. 381(E), 23 May 2023). "Third/Fourth/Fifth amendments" found online are Gujarat's state regulations, not the central Rules.

How long does green open access approval take?

The nodal agency must approve a complete application on the GOAR portal within 15 days; otherwise it is deemed approved, subject to technical requirements (Rule 7(3)). Rejection requires a speaking order after a hearing, and appeals lie to the Appropriate Commission within 30 days.

What is the cross-subsidy surcharge protection under the Rules?

For power from a renewable-energy plant, your cross-subsidy surcharge cannot be raised for 12 years from the plant's operation date by more than 50% of the surcharge fixed in the year you were granted open access (Rule 9(2)).

Do I pay an additional surcharge on green open access?

Not if you are already paying fixed charges to your discom. It is also waived for Waste-to-Energy power, green hydrogen/ammonia use, and offshore-wind projects commissioned up to December 2032.

How much of my green power can I bank, and for how long?

At least 30% of your total monthly consumption from the discom, settled within the same banking cycle. Unused banked energy lapses at the end of the cycle and the generator earns RECs on the lapsed amount—you do not carry it forward.

What is the standby charge cap?

Specified by the State Commission but capped at 25% of the energy charges for your consumer category (raised from 10% by the First Amendment), and not applicable if you give the discom at least a day's notice before Day-Ahead Market gate closure on the day before delivery.

Are the Green Energy Open Access Rules the same in every state?

No. The central Rules are a floor; each State Commission notifies its own consistent regulations, and charges and timelines vary. The Karnataka High Court struck the central Rules down in December 2024, so Karnataka follows its own framework. Always read your state's GEOA regulations alongside the central Rules.