Wallgrove Grid Battery project (WALGRV1)

BESS · TransGrid · Storage - Battery

Dispatch stats Financials
Operational AEMO: In Service NSW1 Other - Other NEM data · 0h
50/75 MW
Registered nameplate capacity / storage
Est. SRMC
$1.50/MWh
Key information
Capacity
50 MW / 75 MWh

AEMO status In Service
Project status Operational (AI)

Transgrid project page / commissioning announcement (2021-12-01).

Region NSW1
Coordinates -33.80300, 150.91100 (AI)

Wallgrove substation / project location in Western Sydney, NSW; approximate site coordinates from public project references.

DUID WALGRV1
Owner TransGrid
Commissioned Dec 2021
Expected closure 2036
Closure date —
Technology Storage - Battery
Fuel Other - Other
Battery OEM Tesla
Battery platform / chemistry Megapack
Inverter OEM Tesla
Inverter / PCS model Megapack inverter/PCS (integrated)
Equipment confidence medium
Stats window
15 Jun 2026 00:00 → 15 Jun 2026 00:15 AEST

Dispatch & revenue

15 Jun 2026 00:00 → 15 Jun 2026 00:15 AEST

No dispatch data for DUID WALGRV1 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
Battery (BESS)
Capacity
50 MW / 75 MWh
Revenue (× MLF) (stats)
See dispatch stats link above
Est. SRMC
$1.50/MWh
Capex total (greenfield) default
$26.25M

Shown in table
$26.25M (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