Tailem Bend Battery Project (TB2B1)

BESS · Vena Energy · Storage - Battery

AEMO: removed SA1 Other - Other NEM data · 8h
42/84 MW
Registered nameplate capacity / storage
8h revenue
$89
Capacity factor
0.5%
Revenue / MWh
$49.20
Est. SRMC
$1.50/MWh

Energy flow

Dispatch target (cleared) vs availability — 5‑minute intervals. SA1 regional price (RRP) on right axis.

Key information
Capacity
42 MW / 84 MWh

AEMO status removed
Project status (AI)

Region SA1
Coordinates

MLF 0.9945
DUID TB2B1
Owner Vena Energy
Commissioned Jan 2024
Expected closure 2025
Closure date
Technology Storage - Battery
Fuel Other - Other
Battery OEM
Battery platform / chemistry
Inverter OEM
Inverter / PCS model
Stats window
14 Jun 2026 00:00 → 14 Jun 2026 08:15 AEST

Dispatch & revenue

14 Jun 2026 00:00 → 14 Jun 2026 08:15 AEST

Energy revenue (× MLF)
$89
FCAS revenue (× MLF)
$135
FCAS volume
115.9 MWh
Dispatched
1.8 MWh
Available
167.4 MWh
Curtailed
167.6 MWh
Curtailment
100.1%
of available
MLF used
0.9945
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 pricedispatch_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 fromMLF
2024-11-21 1.0102
2025-07-01 0.9945

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
Battery (BESS)
Capacity
42 MW / 84 MWh
Revenue (× MLF) (stats)
See dispatch stats link above
Est. SRMC
$1.50/MWh
Capex total (greenfield) default
$29.40M

Shown in table
$29.40M (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