Highgrove Hydroelectric Plant
The first commercially significant hydroelectric plant in California, designed and built by Gustavus Olivio Newman, went into service here in 1888. Utilizing the flow of the Riverside Water Company Canal to produce about 225 kilowatts of power used for the arc light illumination of downtown streets in Riverside and Colton. The plant was destroyed by fire in 1915.
Marker is at the intersection of Iowa Avenue and Spring Street, on the right when traveling south on Iowa Avenue.
Courtesy hmdb.org
