Davenport BESS

BESS · Green Gold Energy Pty Ltd · Storage - Battery

Dispatch stats Financials
Development AEMO: Publicly Announced Other - Other NEM data · 24 hours
270/540 MW
Researched capacity / storage
Est. SRMC
$1.54/MWh
Key information
Capacity (AI)
270 MW / 540 MWh

AEMO registration/spreadsheet listing for Davenport BESS shows 270 MW and 540 MWh storage.

AEMO status Publicly Announced
Project status Development (AI)

Green Gold Energy project materials and public listings describe Davenport BESS as a proposed/publicly announced battery project, not yet operating.

Coordinates —

DUID —
Owner Green Gold Energy Pty Ltd
Commissioned —
Expected closure —
Closure date —
Technology Storage - Battery
Fuel Other - Other
Battery OEM Tesla
Battery platform / chemistry Megapack
Inverter OEM Tesla
Inverter / PCS model Megapack inverter/PCS
Equipment confidence low
Stats window
14 Jun 2026 22:40 → 15 Jun 2026 22:40 AEST

Dispatch & revenue

14 Jun 2026 22:40 → 15 Jun 2026 22:40 AEST

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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
270 MW / 540 MWh
Revenue (× MLF) (stats)
See dispatch stats link above
Est. SRMC
$1.54/MWh
Capex total (greenfield)
$409.84M

Shown in table
$409.84M (2026 real AUD)

Reported / source value
$400.00M (2025 nominal)
Adjusted to 2026 real AUD using Australian CPI (All Groups).

How this was derived
Reported project cost for the Davenport BESS acquisition/development.

Reference
Ampyr agrees to buy Davenport BESS (medium confidence)
Source recorded 07 Jun 2026
Capex refurbishment
—
Capex / MWh storage derived
$758,956

Shown in table
$759.0k (2026 real AUD)

Reported / source value
$740.7k (2025 nominal)
Adjusted to 2026 real AUD using Australian CPI (All Groups).
Fixed OPEX (annual)
$6.92M

Shown in table
$6.92M (2026 real AUD)

Reported / source value
$6.75M (2025 nominal)
Adjusted to 2026 real AUD using Australian CPI (All Groups).
Fixed OPEX / MW-yr
$25,615

Shown in table
$25.6k (2026 real AUD)

Reported / source value
$25.0k (2025 nominal)
Adjusted to 2026 real AUD using Australian CPI (All Groups).
Variable OPEX / MWh
$1.54

Shown in table
$1.54 (2026 real AUD)

Reported / source value
$1.50 (2025 nominal)
Adjusted to 2026 real AUD using Australian CPI (All Groups).
Fuel cost / GJ
—
Heat rate GJ/MWh
—

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

Notes
Plant-specific project cost found in media coverage of AMPYR's acquisition of the Davenport BESS from Green Gold Energy: expected cost A$400m. This appears to refer to the 270 MW Davenport BESS project and is used as the reported greenfield project cost. The project was later renamed Northern Battery and described as an 8-hour, 270 MW / 1,080 MWh BESS. O&M and other operating assumptions were not found as plant-specific published values, so server fallback defaults were used for battery storage.

Sources