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August 31, 2021updated 17 Sep 2021 11:56am

Sub K Tiffin Substation, US

By Carmen

Sub K Tiffin Substation is a 345kV substation located in Sub K Tiffin, Iowa, US. The construction works on Sub K Tiffin Substation began in 2017. The project was commissioned in 2019.


The Sub K Tiffin Substation project is an upgrade substation being operated by MidAmerican Energy.

The designed voltage level of the project is 345kV, while the operating voltage level is 345kV. The step-in voltage of the substation is 345kV.

Sub K Tiffin Substation has received approval from Iowa Utilities Board to undertake the works on the project. Approximately $1.7m was financed by the authorities for the construction works of the project.

About MidAmerican Energy

MidAmerican Energy Co (MidAmerican Energy), a subsidiary of Berkshire Hathaway Energy, is a regulated electric and natural gas utility company that carries out the generation, transmission and distribution and selling of electricity. The company also undertakes distribution, selling and transportation of natural gas. It caters to a diverse clientele comprising of urban and rural residential customers as well as commercial and industrial customers.


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.

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