Investment in aging infrastructure rehabilitation is vital, as 70% of the U.S. power grid is above 30 years old, making demand for retrofit services worth USD 15–20 billion yearly in North America and Europe. Outsourcing substation maintenance is expected to grow at 10% annually, while the Asia Pacific substation maintenance market is projected to grow at 7.82% CAGR from 2026 to 2032, driven by electrification in India, China, and Southeast Asia.