Tarong BESS - Stanwell (TARBESS1)

BESS · Stanwell Corporation Limited · Storage - Battery

Dispatch stats Financials

Commissioning AEMO: Committed* QLD1 Other - Other NEM data · 7 days

300/600 MW

Registered nameplate capacity / storage

7 days revenue

$139.5k

Capacity factor

-1.1%

Revenue / MWh

—

Est. SRMC

$1.50/MWh

Energy flow

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

Capacity

300 MW / 600 MWh

AEMO status Committed*

Project status Commissioning (AI)

AEMO registration data indicates the battery is commissioned from 2025-08-01; no separate primary-source construction/commissioning announcement was available in the provided results.

Region QLD1

Coordinates —

MLF 0.9836

DUID TARBESS1

Owner Stanwell Corporation Limited

Commissioned Aug 2025

Expected closure 2045

Closure date —

Technology Storage - Battery

Fuel Other - Other

Battery OEM Tesla

Battery platform / chemistry Megapack

Inverter OEM —

Inverter / PCS model —

Equipment confidence low

Dispatch & revenue

07 Jun 2026 09:45 → 14 Jun 2026 09:45 AEST

Energy revenue (× MLF)

$139.5k

FCAS revenue (× MLF)

$11.7k

FCAS volume

68,200.4 MWh

Dispatched

-553.6 MWh

Available

42,367.5 MWh

Curtailed

42,924.2 MWh

Curtailment

101.3%

of available

MLF used

0.9836

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
2025-03-31	0.9837
2025-07-01	0.9836

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	$210.00M Shown in table $210.00M (2026 real AUD)
Capex refurbishment	—
Capex / MWh storage default	$350,000 Shown in table $350.0k (2026 real AUD)
Fixed OPEX (annual)	—
Fixed OPEX / MW-yr default	$25,000 Shown in table $25.0k (2026 real AUD)
Variable OPEX / MWh default	$1.50 Shown in table $1.50 (2026 real AUD)
Fuel cost / GJ	—
Heat rate GJ/MWh	—

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