What does SieStar do?

SieStar designs and manufactures battery energy storage systems and energy management solutions for businesses in the Netherlands. Founded in 2023 by combining expertise from SieTec and EmergoStar, the company offers modular LiFePO4-based storage systems with capacities from 120 kWh to 1935 kWh.

Where is SieStar located?

SieStar is headquartered in Terneuzen, Netherlands.

What energy sectors does SieStar operate in?

SieStar operates in Energy Storage.

What certifications does SieStar hold?

SieStar holds the following certifications: PGS37.1.

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SieStar

SieStar B.V.

Terneuzen, Netherlands

Energy StoragePrivate

Founded 2023

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About

Founded in 2023, SieStar is a private headquartered in Terneuzen, Netherlands specializing in Energy Storage.

SieStar B.V. is a Dutch energy storage company established in November 2023, combining the expertise of two Zeeland-based firms: SieTec (industrial automation specialist) and EmergoStar (accumulator module developer). The company designs, manufactures, installs, and services battery energy storage systems for businesses managing grid congestion, load balancing, and peak shaving. Products include modular containerized systems (C10, C20) and tower systems (Tx series) with LiFePO4 batteries assembled in-house in Terneuzen. SieStar offers an integrated Energy Management System (EMS) for behind-the-meter energy flow management, enabling functions such as peak shaving, load shifting, emergency power supply, smart charging, and energy trading. All systems are built to PGS37.1 safety standards with 60-minute fire resistance and remote emergency shutdown capability. The company provides end-to-end solutions from design through 24/7 support.

battery storageenergy managementLiFePO4grid congestionload balancingMade in Hollandmodular systems

Headquarters

Terneuzen, Netherlands

Founded

2023

Company Type

Private