Mustasaari

Company

Sector: manufacturing-other
HQ: US
Stories: 1 on MGRID.org

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Stories about Mustasaari (1)

Hitachi Energy’s 110-Year Vaasa Transformer Heritage Sits Under the 2025 $1.5 Billion Solid-State Transformer Capacity Expansion

March 20, 2026 · News

4 sources Transformer manufacturing in Finland since 1914 (Strömberg, Helsinki); moved to Vaasa 1947 for defense supply security. Large-transformer factory in Vaasa opened 1956; produces ~1 transformer/day, largest 250 tonnes

Stories about Mustasaari (1)

Hitachi Energy’s 110-Year Vaasa Transformer Heritage Sits Under the 2025 $1.5 Billion Solid-State Transformer Capacity Expansion