Argenton BESS Civil Works
A battery energy storage system integrated into the live Argenton zone substation site.
Renewable energyTransmission substations & switching stations
Wider-project context supplied by Flomar. This image illustrates the wider project; Flomar's own work is described below.
Principal clientAusgrid
LocationArgenton, Lake Macquarie NSW
StatusIn delivery as at July 2026
SectorRenewable energy
Project overview
The Argenton project adds battery energy storage within an operating Ausgrid zone substation yard, integrating new storage equipment and supporting infrastructure into a constrained brownfield network site.
What Flomar self-performs
- Bulk earthworks and demolition inside a live substation yard, including reuse of existing yard rock
- Pile footings for BESS, PCS, switchgear and kiosk equipment
- Concrete oil-containment pits with sumps, filtration pits and flame-trap drainage
- New stormwater drainage - pipework, pits, headwall and yard-rock washout
- Electrical conduits with concrete haunches, bedding and compacted backfill
- Earth-grid civils - buried copper conductor, earth electrodes and crushed rock to NS222
- Fire hydrant system extension (design, install, test and commission)
Key quantities
- BESS civil package
- Live zone-substation brownfield site
- Oil containment + NS222 earth-grid civils
Project register
Principal clientAusgrid
LocationArgenton, Lake Macquarie NSW
StatusIn delivery as at July 2026
ValueOn request
Value bands cover Flomar's own package only, never the whole-project figure, and are provided on request.
Capabilities used
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Tell us the civil and electrical-enabling scope. We will tell you plainly what we self-perform and where we partner.
(02) 9550 0658