More demand for power has more states eyeing use of advanced transmission technologies

Indiana, Minnesota and Ohio are among the states encouraging utilities to explore how advanced transmission technologies can improve the capacity, efficiency and reliability of their electric grids.

The Pew Charitable Trusts describes these technologies — sensors, power flow control devices, analytical tools, etc. — as a near-term strategy that helps maximize transmission along an existing power grid. Planning, permitting and constructing new transmission lines can take many years, Pew notes, while there is an immediate need for grid improvements, especially with electricity demand on the rise.

Signed into law in March, Indiana’s SB 422 makes advanced transmission technology eligible for the same cost recovery provided to utilities for traditional equipment. It also directs utilities to consider these software and hardware upgrades as part of their long-term planning and calls on state regulators to complete a study by October 2026 on the potential costs and benefits.

The Midwestern Office of The Council of Governments partnered with Pew and CSG South early in Indiana’s 2025 session for an Under the Dome program on advanced transmission technologies. Several legislators and legislative staff took part in the event. (Under the Dome is CSG Midwest’s customized, in-state training program for the region’s lawmakers.)

As part of a comprehensive energy law passed in 2025 (HB 15), Ohio will require studies of grid-enhancing technologies, including prior to approval of new transmission projects by the state’s Power Siting Board. Under provisions of a 2024 law in Minnesota (HF 5247), these technologies must be considered an option for addressing grid congestion. Cost recovery for utilities also was authorized.