Gladstone (GSTONE1)

Coal · Gladstone Power Station Participants · Turbine - Steam Sub Critical

Dispatch stats Financials

Operational AEMO: In Service QLD1 Fossil - Black Coal NEM data · 24 hours

280 MW

Registered nameplate capacity

24 hours revenue

$80.3k

Capacity factor

23.0%

Revenue / MWh

$51.95

Est. SRMC

$52.99/MWh

Energy flow

Dispatch target (cleared) vs availability — 5‑minute intervals. QLD1 regional price (RRP) on right axis.

Capacity

280 MW

AEMO status In Service

Project status Operational (AI)

NRG Gladstone Power Station website (operating facility description)

Region QLD1

Coordinates -23.85070, 151.21930 (AI)

Grokipedia page for Gladstone Power Station coordinates; corroborated by NRG Gladstone site context

MLF 0.9461

DUID GSTONE1

Owner Gladstone Power Station Participants

Commissioned —

Expected closure 2035

Closure date —

Technology Turbine - Steam Sub Critical

Fuel Fossil - Black Coal

Steam turbine OEM Siemens

Turbine / boiler supplier steam turbines / boilers

Equipment confidence medium

Dispatch & revenue

12 Jun 2026 18:30 → 13 Jun 2026 18:30 AEST

Energy revenue (× MLF)

$80.3k

FCAS revenue (× MLF)

FCAS volume

— MWh

Dispatched

1,545.8 MWh

Available

2,655.0 MWh

Curtailed

1,507.9 MWh

Curtailment

56.8%

of available

MLF used

0.9461

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	0.9403
2025-07-01	0.9461

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)	$1,033.76M Shown in table $1,033.76M (2026 real AUD) Reported / source value $980.00M (2024 nominal) Adjusted to 2026 real AUD using Australian CPI (All Groups). How this was derived Owner source confirms built/commissioned date but not original construction cost. Reference About Us (medium confidence) Source recorded 07 Jun 2026
Capex refurbishment	$108.65M Shown in table $108.65M (2026 real AUD) Reported / source value $42.00M (1988 nominal) Adjusted to 2026 real AUD using Australian CPI (All Groups). How this was derived Post-sale capital works are refurbishment/upgrade type spending, not greenfield capex. Reference History of Gladstone Power Station (medium confidence) Source recorded 07 Jun 2026
Capex / MW derived	$3,691,983 Shown in table $3.69M (2026 real AUD) Reported / source value $3.50M (2024 nominal) Adjusted to 2026 real AUD using Australian CPI (All Groups).
Fixed OPEX (annual)	—
Fixed OPEX / MW-yr default	$55,000 Shown in table $55.0k (2026 real AUD)
Variable OPEX / MWh default	$4.00 Shown in table $4.00 (2026 real AUD)
Fuel cost / GJ	$4.54 Shown in table $4.54 (2026 real AUD) Reported / source value $4.30 (2024 nominal) Adjusted to 2026 real AUD using Australian CPI (All Groups). How this was derived Used as a coal fuel-cost input consistent with GenCost consultation materials. Reference Technical Assessment Report - Review of GenCost 2023-24 (medium confidence) Source recorded 07 Jun 2026
Heat rate GJ/MWh	10.80 Shown in table $10.80 (2026 real AUD) How this was derived Server-side fallback used.

Confidence: medium · Status: ai estimated · Capex basis: default · AI checked 07 Jun 2026

Notes
Official owner source confirms Gladstone Power Station was built by the Queensland Government and commenced operation in 1976; six 280 MW units total 1,680 MW, and GSTONE1 is one of the six units. AEMO confirms GSTONE1 is 280 MW. No reliable plant-specific greenfield construction cost was located, so capex remains unreported. Fuel/O&M/performance inputs use the provided fallback defaults except fuel cost, which is set to a GenCost/AEMO-consistent black coal fuel assumption from consulted materials. The 1988 $42 million refurbishment is recorded separately as refurbishment, not greenfield capex.

Sources

asset_life_years (low)
capex_refurbishment_aud — History of Gladstone Power Station (medium)
capex_total_aud — About Us (medium)
emissions_intensity_tco2_mwh — Carbon Dioxide Equivalent Intensity Index (low)
fuel_cost_per_gj_aud — Technical Assessment Report - Review of GenCost 2023-24 (medium)
generator_identity.duid — Implementation of the National Electricity Amendment (Mandatory Primary Frequency Response) Rule 2020 (high)
generator_identity.owner — About Us (high)
generator_identity.site_name — The Process (high)
heat_rate_gj_per_mwh (high)