Mt Stuart (MSTUART1)

Other Generators · Origin Energy Mt Stuart · Turbine - OCGT

Operational AEMO: In Service QLD1 Fossil - Diesel NEM data · 0h
146 MW
Registered nameplate capacity
Est. SRMC
$2.00/MWh
Key information
Capacity
146 MW

AEMO status In Service
Project status Operational (AI)

Wikipedia/Origin Energy: Mount Stuart Power Station commissioned Dec 1998 and operates as a peaking plant; Origin says the site uses an open-cycle gas turbine system.

Region QLD1
Coordinates -19.33800, 146.85100 (AI)

Wikipedia coordinates for Mount Stuart Power Station: 19°20′17″S 146°51′04″E.

DUID MSTUART1
Owner Origin Energy Mt Stuart
Commissioned
Expected closure 2033
Closure date
Technology Turbine - OCGT
Fuel Fossil - Diesel
Equipment OEM GE Power
Equipment type / model 3x gas turbines (OCGT peaking plant), model not publicly specified
Secondary OEM Mitsubishi Power
Secondary equipment electric generator(s) / turbine package support, model not publicly specified
Equipment confidence medium
Stats window
14 Jun 2026 00:00 → 14 Jun 2026 00:20 AEST

Dispatch & revenue

14 Jun 2026 00:00 → 14 Jun 2026 00:20 AEST

No dispatch data for DUID MSTUART1 in this period.

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.
Type
Other
Capacity
146 MW
Revenue (× MLF) (stats)
See dispatch stats link above
Est. SRMC
$2.00/MWh
Capex total (greenfield) default
$292.00M

Shown in table
$292.00M (2026 real AUD)

Capex refurbishment
Capex / MW default
$2,000,000

Shown in table
$2.00M (2026 real AUD)

Fixed OPEX (annual)
Fixed OPEX / MW-yr default
$40,000

Shown in table
$40.0k (2026 real AUD)

Variable OPEX / MWh default
$2.00

Shown in table
$2.00 (2026 real AUD)

Fuel cost / GJ
Heat rate GJ/MWh

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