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Grid connection and registrationQLD gas peaking developer

Grid connection and market registration for a two-unit gas peaker

Confirming that a single AEMO registration across two physical units would not constrain how the plant could be dispatched.

The motivation

A new two-unit gas peaking plant was being registered as a single scheduled generating unit behind one network connection point. The developer needed certainty that this registration structure would not constrain how the two units could be dispatched.

A single AEMO registration covering two physical units creates structural tension. The market sees one dispatch instruction, but the plant needs to deliver it flexibly across two machines, including asymmetric and partial-load combinations, without breaching compliance obligations.

The solution

We worked through the full chain of requirements to preserve flexibility. Generator Performance Standards were negotiated on an aggregate basis with headroom for single-unit contingencies, a bidding strategy used the market's tiered offer-band structure to express the two-unit cost base within one registration, and the plant control system architecture was specified so a single dispatch target could be reliably translated into individual unit setpoints. We also addressed the ongoing rebidding and availability-reporting obligations.

The result

A clear, contractor-ready specification confirming the dual-unit configuration did not inherently restrict operational flexibility, with the genuine risk areas, control system gaps and rebidding discipline, isolated and addressed ahead of commissioning.

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