Malaysian firm Reservoir Link signs 200MW MOU with ‘US iron flow energy storage’ company


Malaysia-based Reservoir Link has signed a memorandum of understanding (MOU) with an unnamed US-based ‘Iron Flow Long Duration Energy Storage provider’.

Meanwhile, iron flow battery provider ESS Inc has told it is ‘actively exploring’ opportunities in Reservoir Link’s markets.

RL ADS Power Sdn Bhd, a 51%-owned subsidiary of oil and gas services company Reservoir Link, will work with the unnamed company to deploy at least 200MW of energy storage solutions in Malaysia, Singapore and Indonesia over 2023-2027. The non-binding agreement, which will be executed on following a framework agreement, could be extended to other markets in Southeast Asia.

Oregon-based ESS Inc is the only company manufacturing and deploying iron flow battery energy storage solutions, as it holds the patent for the technology which provides 4-12 hours’ duration storage using an iron and saltwater electrolyte with minimal degradation.

In response to a request for comment, an ESS Inc spokesperson told “There is strong global demand for ESS iron-flow batteries as countries seek to increase utilisation of renewable energy and decrease carbon emissions. While no final agreements are in place, the company is actively exploring opportunities with customers in Malaysia, Singapore and Indonesia.”

The MOU will see the company in question supply its energy storage solutions on an ex-works basis to RL ADS’ projects, providing engineering, procurement, and construction (EPC) services as well as training and certification of RL ADS personnel.

The training will enable Reservoir Link’s own staff to provide commissioning, operation & maintenance and warranty repair services, but the unnamed company will provide commissioning services for initial deployments.

The MOU has four phases of development. Phase 1 will comprise ‘Initial Deployment and Program Planning’ followed by ‘Development of Energy Center (“EC”) Business Model’. Phase 3 will see the pair conclude a multi-year framework agreement followed Phase 4, the rollout and execution of the projects.

Reservoir Link set up RL ADS Power in May this year with 49% partner ADS Asset Holdings. The entity, described as a joint venture between the two, is specifically for funding, constructing or developing energy storage solutions.

As reported by, ESS Inc recently recognised its first revenues since going public, neared a targeted annual production capacity of 750GWh, and struck a deal to roll out its solution across Australia.

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