Riverside Public Utilities
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Projects

Learn all about RPU's current projects.

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.


What is RTRP?

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.


 

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FAQ

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Why is it important?

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.


 

Timeline

Riverside Transmission Reliability Project (RTRP) Anticipated Timeline for Next Steps Toward Construction (As of May 17, 2017)

Item Estimated Date
NOA and Draft Subsequent EIR August 2017
Final Subsequent EIR issued February 2018
ALJ Prehearing Conference August 2018
Final Decision September 2018

Terms Defined:

NOA – Notice of Availability
EIR – Environmental Impact Report
ALJ –Administrative Law Judge


 

Online Documents

Info on SCE Notice of Ex Parte Communication - 05/17/17

Info on RTRP Public Meeting - 12/18/15

Notice of Availability of Final RTRP Project EIR

Riverside Public Utilities - RTRP Project Environmental Impact Report (EIR) – 2011 (whole project)

SCE RTRP Final Environmental Impact Report (230kV portion only)

Visit CPUC's website for more information.


 

RTRP Contact

George Hanson
Project Manager
rtrp@riversideca.gov
(951) 710-5013