The LG CNS Talofofo Battery Energy Storage System is a 16,000kW energy storage project located in Guam. The rated storage capacity of the project is 16,000kWh.

The electro-chemical battery energy storage project uses lithium-ion as its storage technology. The project was announced in 2017.

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The LG CNS Talofofo Battery Energy Storage System is being developed by LG CNS. The project is owned by Guam Power Authority (100%).

The key application of the project is renewable energy integration.

Contractors involved

Guam Power Authority is the owner. LG CNS is the developer. LG Chem is the technology provider for the project.

LG CNS is the system integrator.

Additional information

LG CNS is responsible for delivering the ESS systems on a “turnkey” basis within 12 months. The systems will utilize LG Chem lithium-ion batteries and LG CNS’ own Energy Management System (EMS) to provide frequency regulation and solar photovoltaic (PV) ramp rate control. The project includes a 25-year operations and maintenance agreement with LG CNS.

About LG CNS

LG CNS Co Ltd (LG CNS) a subsidiary of LG Corp, is a technology company that offers IT services and solutions. The company provides IT consulting, system integration, IT convergence and IT infra-solutions. Its IT solutions include smart transportation, smart defense, smart green solution, digital marketing, smart factory, smart government, smart media, smart device and service, big data and advanced analytics, finance solution, finance automation system and service, and cloud solutions. LG CNS also offers IT outsourcing, business process outsourcing, business strategy planning and infrastructure services. The company serves electronics, finance, chemical, healthcare, manufacturing, energy, public and telecommunication sectors. It has operations across South Korea. LG CNS is headquartered in Seoul, South Korea.


All publicly-announced energy storage projects included in this analysis are drawn from GlobalData’s Power IC. The information regarding the projects are sourced through secondary information sources such as country specific power players, company news and reports, statistical organisations, regulatory body, government planning reports and their publications and is further validated through primary from various stakeholders such as power utility companies, consultants, energy associations of respective countries, government bodies and professionals from leading players in the power sector.