ASEA-Brown Boveri

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

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