What Is the NSW REZ Access Rights Auction?

The NSW Renewable Energy Zone Access Rights Auction is the mechanism through which energy developers secure the right to connect generation and storage capacity within a designated NSW Renewable Energy Zone and access the associated Electricity Infrastructure Investment (EII) Act benefits — including long-term revenue support contracts (Electricity Infrastructure Contracts, or EICs) available under the NSW Electricity Infrastructure Roadmap.

Access rights auctions are conducted by EnergyCo, the NSW government's energy infrastructure delivery body. They are competitive processes: applicants propose a project, a location within the REZ, a capacity quantum, and bid for access rights. The number of access rights available in each REZ is set by the REZ capacity limit — determined by the available network headroom and the network investment EnergyCo and TransGrid are making into each zone.

Why access rights matter: A project without REZ access rights can still connect to the NSW grid — but it does so outside the REZ framework, without eligibility for EICs or the protection of the REZ curtailment and dispatch priority rules. For most wind, solar, and BESS projects in the Central-West Orana, New England, or Hunter-Central Coast REZs, access rights are effectively a prerequisite for project bankability.

The Current Auction — What Is Open and What Is Coming

The NSW REZ Access Rights Auction that closed in early May 2026 targeted capacity in the Central-West Orana REZ — Australia's first designated REZ, with a capacity target of 3,000 MW of renewable generation and 400 MW of long-duration storage. The auction attracted significantly more proponent submissions than available access rights, reflecting the depth of the NSW development pipeline.

EnergyCo has signalled that the New England REZ access rights process will follow in the second half of 2026, with an initial capacity allocation targeting wind development. The Hunter-Central Coast REZ process is expected in 2027, with a focus on offshore wind and near-shore BESS.

For developers with projects in any of these zones, the timeline is tight. Pre-qualification for each auction requires a completed project scoping study, a preliminary connection enquiry with TransGrid or Ausgrid, and demonstration of site control (leases or option agreements over the project footprint).

The Connection Process — What Developers Get Wrong

The most common error developers make in preparing for a REZ access rights auction is treating the network connection process as something that can run in parallel with — or after — the access rights application. It cannot. EnergyCo's assessment of a project's technical viability in a REZ access rights auction depends on the connection information available at the time of application.

The correct sequencing is:

  1. Preliminary Connection Enquiry (PCE) with the relevant Network Service Provider (TransGrid for transmission-connected projects, Ausgrid or Essential Energy for distribution-connected projects) — typically 10–16 weeks for a response.
  2. Connection Offer Request — based on the PCE response, developers submit a formal connection offer request to understand the connection costs, augmentation requirements, and proposed access standards.
  3. REZ Access Rights Application — the connection offer information is used to complete the technical section of the access rights application, including the proposed point of connection, export capacity, and system strength contribution.

Developers who have not completed at least a PCE before lodging a REZ access rights application are at a significant disadvantage — both in assessment and in their ability to subsequently negotiate a connection offer that is consistent with the access rights they have been granted.

The EIC — Revenue Support Under the Roadmap

Electricity Infrastructure Contracts (EICs) are long-term revenue support contracts available to projects with NSW REZ access rights. They operate as contracts for difference (CfDs) — if the market price for electricity falls below the strike price, the project receives the difference from the Scheme Financial Vehicle; if it rises above, the project pays the difference back. The strike price is set through the auction process.

EICs provide the revenue certainty that most debt financiers require for a project to be bankable in the current market. For BESS projects, the EIC mechanism also provides revenue support for dispatchable capacity, addressing the revenue risk that has historically made standalone storage projects difficult to finance in Australia.

The Interaction With the Federal Capacity Investment Scheme

NSW REZ projects are also eligible to participate in the Federal Government's Capacity Investment Scheme (CIS) — but the interaction between a NSW EIC and a Federal CIS contract requires careful management. Projects cannot receive duplicative revenue support from both schemes for the same capacity. The standard approach is to structure the project so that the EIC and the CIS contract cover different risk horizons or different revenue components.

For developers pursuing both NSW EIC and Federal CIS support, early engagement with both EnergyCo and DCCEEW (the Federal department administering CIS) is essential to understand how the two contracts can be structured to be complementary rather than conflicting.

What Proximo Energy Tracks for REZ Developers

Proximo Energy monitors every EnergyCo, AEMO, AER, AEMC, and state government publication relevant to the NSW REZ programme — including auction notices, technical guidelines, capacity limit updates, connection queue developments, and CIS round announcements. For developers active in NSW, the platform provides a single feed of all material regulatory developments, with urgency flags for upcoming submission deadlines and countdown timers for open consultation periods.