Tallawarra B (TALWB1)

Gas Peakers · EnergyAustralia Tallawarra Pty Ltd · Turbine - OCGT

Dispatch stats Financials

Operational AEMO: In Service NSW1 Fossil - Natural Gas Pipeline NEM data · 24 hours

320 MW

Registered nameplate capacity

24 hours revenue

Capacity factor

0.0%

Revenue / MWh

—

Est. SRMC

$128.50/MWh

Energy flow

Dispatch target (cleared) vs availability — 5‑minute intervals. NSW1 regional price (RRP) on right axis.

Capacity

320 MW

AEMO status In Service

Project status Operational (AI)

EnergyAustralia/State planning materials indicate Tallawarra B was commissioned on 2024-06-01 and is in commercial service.

Region NSW1

Coordinates -34.48060, 150.81970 (AI)

Tallawarra Power Station site in Yallah, NSW (public mapping/planning references for Tallawarra B).

MLF 0.9924

DUID TALWB1

Owner EnergyAustralia Tallawarra Pty Ltd

Commissioned Jun 2024

Expected closure 2053

Closure date —

Technology Turbine - OCGT

Fuel Fossil - Natural Gas Pipeline

Gas turbine OEM GE Vernova

Turbine / engine model LM6000

Equipment confidence medium

Dispatch & revenue

12 Jun 2026 23:45 → 13 Jun 2026 23:45 AEST

Energy revenue (× MLF)

FCAS revenue (× MLF)

FCAS volume

— MWh

Dispatched

— MWh

Available

1,365.0 MWh

Curtailed

1,365.0 MWh

Curtailment

100.0%

of available

MLF used

0.9924

end of period

Revenue (× MLF)

Estimated $ per interval — energy (RRP) and FCAS (regional FCAS prices), both × MLF.

Methodology & assumptions

Dispatch & availability — AEMO Next Day Dispatch UNIT_SOLUTION (5‑minute intervals). Intervention intervals excluded.
Regional price — dispatch_price RRP matched by settlement time and NEM region (from generator registry).
Energy revenue (× MLF) — cleared MW × (5/60 h) × RRP × MLF.
FCAS revenue & volume — cleared FCAS MW from DISPATCHLOAD (raise/lower 6s, 60s, 5min, reg) × (5/60 h) × regional FCAS price × MLF. Volume is total FCAS enablement MWh across services.
Curtailment — estimated economic curtailment when availability exceeds dispatch target: max(0, availability − cleared) × (5/60) MWh.
Not settlement — estimates only. AEMO settlement applies DLF, rebids, constraints, and other factors not modelled here.

MLF history (AEMO daily)

Effective from	MLF
2024-07-01	0.9843
2025-07-01	0.9924

Financial overview

2026 real AUD. Monetary values are CPI-adjusted to 2026 real Australian dollars. Greenfield capex uses AEMO benchmarks when plant-specific cost is unknown.

Capex total (greenfield) default	$384.00M Shown in table $384.00M (2026 real AUD)
Capex refurbishment	—
Capex / MW default	$1,200,000 Shown in table $1.20M (2026 real AUD)
Fixed OPEX (annual)	—
Fixed OPEX / MW-yr default	$45,000 Shown in table $45.0k (2026 real AUD)
Variable OPEX / MWh default	$2.50 Shown in table $2.50 (2026 real AUD)
Fuel cost / GJ default	$12.00 Shown in table $12.00 (2026 real AUD)
Heat rate GJ/MWh default	10.50 Shown in table $10.50 (2026 real AUD)

Confidence: unknown · Status: needs review · Capex basis: unknown