Massachusetts utility partners on state’s largest energy storage system

US electric utility company Sterling Municipal Light Department (SLMD) selected NEC Energy Solutions for the development of a energy storage system.

NEC Energy Solutions will construct 2MW/3.9MWh energy storage plant for Sterling town’s utility firm by December, 2016.

The project is expected to help SLMD improve the reliability of its grid network by reducing power outages caused by weather conditions.

The energy storage system will also help Sterling town increase its adoption of clean energy resources to reduce carbon emissions and provide consumers with cheap and reliable electricity.

SLMD provides electricity to some 3,700 residential, commercial, municipal and industrial customers in Sterling.

Energy storage plant funding

The implementation of the project is being funded by the Massachusetts Department of Energy Resources (DOER) and the US Department of Energy.

[quote] The DOER provided SLMD with $1,46 million for deployment of the project. The SLMD energy storage plant is claimed to be the largest energy storage system in New England, Massachusetts upon its completion.

SLMD also partnered with the Clean Energy States Alliance and Clean Energy Group for technical assistance in developing the system with NEC Energy Solutions.

The programme falls under efforts by the Massachusetts DOER to meet its target to develop and integrate 600MW of energy storage plants with grid systems by 2025. [Massachusetts leads US states in energy efficiency]

The 600MW storage systems are predicted to provide over $800 million in cost savings to ratepayers.

Energy storage adoption

In related news, South Korea’s Ministry of Trade, Industry and Energy in late September launched a new programme to increase the adoption of energy storage systems to ensure grid reliability.

The initiative will help utilities install energy storage systems to store electricity generated from solar generation systems.

The South Korean Ministry of Trade, Industry and Energy said it is expecting to invest $391.6 million of new energy storage systems by 2020.

The project is expected to support increased adoption of renewable energy sources in the Asian country and will begin in 2017.

South Korea has set a target to generate 6% of its electricity from low-carbon sources by 2020. The country is targeting to reduce its carbon emission by 37% by 2030.


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Nicholas Nhede is an experienced energy sector writer based in Clarion Event's Cape Town office. He has been writing for Smart Energy International’s print and online media platforms since 2015, on topics including metering, smart grids, renewable energy, the Internet of Things, distributed energy resources and smart cities. Originally from Zimbabwe, Nicholas holds a diploma in Journalism and Communication Studies. Nicholas has a passion for how technology can be used to accelerate the energy transition and combat climate change.