Mark Swinnerton: Ledger

Role	Organisation	Sources
Executive (former)	BHP	RenewEconomy (Mon 22 Sep 2025), RenewEconomy (Tue 16 May 2023), RenewEconomy (Mon 14 Nov 2022), RenewEconomy (Mon 28 Mar 2022)
ex-BHP Executive · Founder	Green Gravity	RenewEconomy (Mon 22 Sep 2025), @AuManufacturing, RenewEconomy (Tue 29 Oct 2024), RenewEconomy (Wed 16 Oct 2024), Startup Daily, RenewEconomy (Mon 3 Jul 2023), RenewEconomy (Tue 16 May 2023), RenewEconomy (Mon 14 Nov 2022), RenewEconomy (Mon 28 Mar 2022)

Coverage

Stories naming Mark Swinnerton. Where several outlets covered the same round, they are bundled under whichever ran the fullest account.

Unnamed stage $9m

Gravity storage technology mooted for Mount Isa mine shafts to back up vast wind and solar projects

Green Gravity has begun early studies for a gravitational energy storage project in Mount Isa mine shafts, working with Glencore and the local council, weeks after landing $9 million to advance its technology.

RenewEconomy Tue 29 Oct 2024 Green Gravity Glencore Mark Swinnerton

Also @AuManufacturing·RenewEconomy

Unnamed stage $9m

Green Gravity, which is turning old mineshafts into energy storage, raises $9 million

Wollongong energy storage venture Green Gravity has secured $9 million from HMC Capital, BlueScopeX, Pacific Channel and SCAP H to advance testing of its system that repurposes disused mineshafts for gravitational energy storage.

Startup Daily Wed 16 Oct 2024 Green Gravity BlueScope Sumitomo Corporation Wollongong Resources Yancoal BlueScopeX HMC Capital Pacific Channel Mark Swinnerton

Also RenewEconomy

Unnamed stage

Bluescope backs gravity storage start-up with funds and lab at Port Kembla

Steel maker BlueScope commits money and site space at Port Kembla for startup Green Gravity to build a gravity-based energy storage research lab, with construction beginning this month.

RenewEconomy Tue 16 May 2023 Green Gravity Ark Energy BHP Energy Vault Soto Engineering University of Wollongong Yancoal BlueScope Mark Swinnerton

Also RenewEconomy

Unnamed stage $1.4m

Former Yancoal mine to be first test site for Australian gravity storage technology

Green Gravity will trial its gravity energy storage in a closed NSW coal mine under an MoU with Yancoal, with a pre-feasibility study due in 2023, after a May capital raise.

RenewEconomy Mon 14 Nov 2022 Green Gravity Aramco Ares BHP Enel Green Power Energy Vault Korea Zinc Soto Engineering University of Wollongong Yancoal David Moult Mark Swinnerton

Funding announcement

Australian startup eyes disused mine shafts for gigascale gravity energy storage

Green Gravity, a new Australian venture developing gravity-based power storage inside abandoned mine shafts and led by Mark Swinnerton, formerly of BHP, has early private backing and is in talks with governments and VCs.

RenewEconomy Mon 28 Mar 2022 Aramco BHP Enel Green Power Energy Vault Fortescue Future Industries Green Gravity Korea Zinc Monash University Soto Engineering the federal government the NSW state government University of Wollongong Dr Andrew Forrest Mark Swinnerton