Cayuga Substation is a 345kV substation located in Cayuga, Indiana, US.

The Cayuga Substation project’s construction has begun in 2019. The works are expected to be commissioned in 2021.


Cayuga Substation project, which is an upgrade substation, will be operated by Duke Energy.

The designed voltage level of the substation is 345kV and the operating voltage level is 345kV.

The step-in voltage of the project is 345kV. Upon completion, the substation will have a capacity of 400MVA.

Cayuga Substation project development status

The development of the Cayuga Substation project was approved by Indiana Utility Regulation Commission in 2019. The project is expected to be commissioned in 2021. Approximately $0.27m was financed by the authorities to undertake the construction works of the project.

About Duke Energy

Duke Energy Corp (Duke Energy) is an integrated energy utility that undertakes the generation, transmission, distribution and sale of electricity; transportation and sale of natural gas; and provision of related energy services in the Southeast and Midwest regions of the US. It also procures and markets electric power and fuel. The company operates a diverse mix of coal, nuclear, natural gas, oil and renewable power plants. It has operations in Indiana, Florida, Kentucky, Tennessee, North Carolina, Ohio and South Carolina in the US. Duke Energy is headquartered in Charlotte, North Carolina, the US.


All publicly-announced T&D Line & Substation projects included in this analysis are drawn from GlobalData’s Power IC. The information regarding the projects is sourced through secondary information sources such as country specific utility players, company news and reports, statistical organisations, regulatory body, government planning reports and their publications and is further validated through primary from various stakeholders such as power utility companies, consultants, energy associations of respective countries, government bodies and professionals from leading players in the power sector.