Substation Diagnostics Market to Hit $3.46B by 2036 as Grids Age

The global market for preventive diagnostics of substation equipment is forecast to reach $3.46 billion by 2036, up from $1.91 billion in 2026, representing a compound annual growth rate of 6.1%, according to a new report from MarketsandMarkets released on Thursday. The projection highlights growing demand for condition-monitoring and testing solutions that help utilities avoid costly outages and extend the life of aging grid assets.

The report attributes the expansion to several factors: an aging installed base of substation equipment, particularly in North America and Europe; stricter reliability and safety regulations; and the increasing penetration of intermittent renewable energy sources that place additional stress on transmission and distribution networks. MarketsandMarkets also notes that the shift toward digital substations and IoT-enabled sensors is creating new opportunities for predictive maintenance. The study includes 30 market data tables and 22 figures, covering hardware, software, and services across regions.

Industry analysts say the growth trajectory underscores a broader trend in the power sector: as utilities face pressure to decarbonize and modernize, spending on diagnostics that prevent failures is becoming a priority. The findings could influence investment decisions by equipment manufacturers, service providers, and grid operators. Next steps for stakeholders include evaluating regional adoption rates and technology readiness, with the full report available from MarketsandMarkets.