Riverside Public Utilities
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About RPU

Customer-owned since 1895.

Riverside Transmission Reliability Project (RTRP)

Riverside Public Utilities (RPU) is proposing the Riverside Transmission Reliability Project (RTRP), which will provide needed energy resources to the city, while improving service reliability for all our customers.

RPU has an obligation to provide safe and reliable energy services for all of our customer-owners. Whether that power is needed for residential dwellings, manufacturing facilities, grocery stores, schools, hospitals, or public safety, our goal is to ensure that there is an abundant and dependable energy delivery system in place to meet the needs of our customers within our service territory.

As the City of Riverside continues to grow into a thriving community of arts and innovation, its energy delivery system also needs to grow to better serve its citizens.

RTRP Contact

George Hanson
Project Manager
(951) 710-5013


About the Project

The proposed RTRP would include the construction of a new double-circuit 230-kilovolt (kV) transmission line, a new 230/69 kV electrical substation, and new 69 kV subtransmission lines. The new 230 kV transmission line would connect the proposed substation, located on RPU-owned land near the northeast corner of Wilderness Avenue and Ed Perkic Street, to existing 230 kV transmission lines owned by SCE. Six new 69 kV subtransmission lines would also connect the proposed substation to RPU's electrical system.

The planned upgrades to our energy delivery system will eliminate obsolete equipment, help modernize our local energy delivery infrastructure, and help increase the energy efficiency and reliability of Riverside’s vibrant southwestern neighborhoods. For additional information about this project, click here.

Project Location

The Proposed Project is located in the western and northern sections of the City of Riverside, with a small section in the City of Norco. It then extends north into the recently incorporated City of Jurupa Valley in western Riverside County. The Proposed Project area is bordered to the north by State Highway 60 and the existing Mira Loma to Vista SCE 230 kV Transmission Lines, to the west by Interstate 15, and to the south and east by State Highway 91. The Santa Ana River roughly divides the Proposed Project area into northern and southern halves. For more information see project map.

Why is the RTRP needed?

Currently, all of RPU's imported energy comes through a single power connection from Southern California Edison's (SCE) Vista Substation, located in the city of Grand Terrace. Through that connection, only a certain amount of energy, 557 megawatts (MW), can reach the city.

If the electrical needs of RPU customers exceed that amount of energy, there is not any way to bring additional power into Riverside, as there are no other outside connections. While over the past ten years RPU has built a number of power generation plants within the city that can help supply extra energy in time of peak demands and emergencies, they do not provide reliable, long-term solutions to the city's capacity shortage, nor will they be enough to meet current and projected energy load growth.

The RTRP would create a second connection to outside power lines, and a second substation, that would reduce dependence on a single substation and connection, increase the amount of energy RPU could import, and provide greater flexibility to expand our energy delivery system to meet Riverside's growing energy needs well into the future.


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