MESA smart grid battery standard is updated

MESA smart grid battery standard is updated

Technology News |
By Jean-Pierre Joosting

Draft 4 will include new battery models that expose significant additional measurement and performance data for lithium-ion batteries alongside traditional battery stacks. In addition, it will include definitions for commonly used terms such as “State of Health” and “State of Charge,” which can often be a source of confusion within the energy storage industry. The open standards allow interoperability in communications and control systems for smart grid implementations, reducng costs and encouraging roll outs.

Last month saw EatonSamsung SDI and Siemens join MESA to drive the development of communication specifications for energy storage systems. They join over twenty equipment manufacturers, software suppliers, and public and private utilities working on utility-scale, grid-connected energy storage systems.

“Incorporating MESA’s specifications into our products will enhance Samsung SDI’s energy storage offerings and ensure we can provide the best value to our customers,” said Sewoong Park, Head of ESS Business at Samsung SDI. He stated, “As a leading manufacturer of lithium-ion batteries, we are committed to lending our support to the development of industry standards to facilitate the evolving smart grid. We can do so with confidence knowing our products will interoperate with world-class power conversion and software from our MESA partners.”

“As an Energy Storage Solutions Provider, MESA’s specifications will address how our components are packaged and communicate with the grid in a pre-defined simple manner, thereby reducing large project design cycles as well as project costs,” added Siemens’ Energy Storage Product Line Manager, Itamar Lopes. 

Nuvation Engineering joined in February 2015 and its 1250 VDC battery management system that scales to a 24 battery-stack configuration for ISO container-housed electrochemical energy storage systems is now conformant with the current Draft 3 of the MESA Device Energy Storage Model.

“MESA Draft 3 conformant products share a common communications interface that exposes all the data and control points required for operating the energy storage system,” said John Corman, Vice-President, Engineering and Product Management at Nuvation. “Nuvation BMS can now be integrated with any other MESA-conformant energy storage hardware or software without the custom middleware often required to enable different companies’ products to work together.”

This includes systems from MESA founder Parker Hannifin. “Nuvation’s attainment of Draft 3 conformance streamlines the integration of their battery management system with Parker’s MESA-conformant inverters and 3rd-party site controllers on the Alevo GridBank project,” said Daniel Friberg, Division Engineering Manager, Parker Hannifin. “As a founding member of MESA, Parker views Nuvation’s adoption of MESA standards and their ongoing involvement as an important step in simplifying the integration of Nuvation BMS into energy storage systems.”

MESA’s work includes close collaboration with related groups including the SunSpec Alliance and the Electric Power Research Institute. MESA members include many of the energy storage industry’s leading utilities, ESS developers, battery manufacturers, energy management companies, and power conversion system (PCS) manufacturers. 

“Nuvation’s MESA-conformant BMS can be integrated with 1Energy’s Intelligent Controller product with minimal effort and expense, which makes it an excellent battery management solution for energy storage systems that are being managed by our software,” said Andrew Miller, VP of Engineering at another MESA member 1Energy Systems. “Nuvation’s contributions to MESA over the past year have accelerated the energy storage industry’s progress towards open standards for ESS design and ensured that battery management systems are well covered by the standard.”

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