08/04/2026
Large Power Transformers (LPTs) demand more than specialized testing, they demand specialized expertise.
345kV generator step-up transformers and 765kV transmission assets are critical pieces of infrastructure that represent some of the largest and most valuable investments on the power grid. Servicing them requires experienced personnel, specialized equipment, and a proven commitment to quality.
RESA Power is one of the few service providers equipped to support large power transformers throughout their entire lifecycle, not just one phase of the project. Our teams across North America specialize in servicing higher BIL levels and voltage classes such as 230, 345, 550, and 765 kV. Our team delivers comprehensive throughout the transformer lifecycle, including installation, assembly, vacuum oil filling, commissioning, preventive maintenance, diagnostics, repairs, relocations, engineering upgrades, OEM-authorized warranty support, spare parts, failure analysis, and eventual decommissioning
When reliability matters and the cost of failure can be significant; utilities, industrial facilities, and data centers trust RESA Power to keep their transformer assets operating safely and efficiently for decades.
One partner. Every stage. Every transformer.
Learn more about our solutions here: https://www.resapower.com/services/transformer-maintenance/