Renwick Generating Plant, also known as the Municipal Steam Light Plant, is a historical industrial facility located in Renwick, Iowa, United States.

Long was an engineer who was contracted in 1914 to design a steam-powered electrical light plant.

A 125-horsepower diesel engine manufactured by Worthington Pump and Machinery Corporation was added in 1936.

The plant is a single-story, rectangular building that was built of concrete block manufactured in Renwick.

This article about a property in Humboldt County, Iowa on the National Register of Historic Places is a stub.