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Targeted Undergrounding
  • Outages & Safety
  • / Wildfire Safety
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men looking at heavy equipment

SCE is working to further reduce the risk of wildfire by burying power lines in high fire risk areas, especially where lines have not been replaced by covered conductor. SCE targets areas for undergrounding its power lines based on several considerations. The targeted undergrounding effort will make the electrical system more reliable during extreme weather conditions by protecting it from high winds, vegetation and other hazards that could cause fires or power outages. 

  • Grid Hardening Map
  • TUG Fact Sheet
  • ROE Fact Sheet
  • TUG FAQs 

Note: For undergrounding projects not related to wildfire mitigation, refer to Rule 20 undergrounding projects, which are initiated by a governmental agency (e.g., city, county), developer or individual customer.

 

Undergrounding Work Phases

 

Planning

During this phase, SCE planners and surveyors will conduct a feasibility assessment to help determine the scope of work that will take place in a selected community. They will gather data and make observations to analyze the viability of undergrounding electrical lines, which may include accessing and taking images of equipment and surrounding areas. This is a critical assessment to determine if this type of work can be completed at the proposed location.1 During the design phase, planners prioritize routes within public rights of way, but in some cases, limited access through private property (easements) may be needed.  

Moving forward requires cooperation with property owners. Impacted property owners shall be informed about the upcoming project.  

Permitting

Once the scope of work is established, SCE can determine if permitting is required. Most projects require at least one permit for road closures, typically from a city, county or Caltrans. Additional permit requirements depend on the project’s location. They may include state and federal land use permits, environmental clearances, or railroad rights-of-way permits. Permit approval may take as little as two months but could take significantly longer depending on individual project circumstances. 

Construction

Work can be scheduled and construction can begin once all the required permits and necessary land rights are received.2 In most cases, this work will require a power outage at the end of construction, when the power is ready to be switched from the overhead to the underground lines. We will notify customers in advance if an outage is needed. 

 

Undergrounding Work Status

Legend:
Phase in process
Phase completed

Kern County (Updated as of 7/17/2026)

CIRCUITCOMMUNITIESPLANNINGPERMITTINGCONSTRUCTIONTARGET COMPLETION DATE
FlycatcherUnincorporated Area (Mountain Mesa, Weldon) 2027

Los Angeles County (Updated as of 7/17/2026)

CIRCUITCOMMUNITIESPLANNINGPERMITTINGCONSTRUCTIONTARGET COMPLETION DATE
AcapulcoUnincorporated2027
AvenidaUnincorporated Area (La Verne/ Claremont) 2026
BrakemanSan Dimas2027
ClarinetUnincorporated Area (Oak Flats, Ninetynine Oaks) 2027
CornwallUnincorporated/ Whittier  2027
CrumnerAgoura Hills2027
CuthbertMalibu, Unincorporated Area (Malibu Vista) 2027
Devils Gate *Altadena  2027
Gorge *Altadena 2025 - 2027
GuitarUnincorporated, Santa Clarita  2028
HackberryLa Habra Heights  2029
HaskellLa Canda Flintridge 2027
HillardLa Canda Flintridge 2027
HorntoadCalabasas, Unincorporated 2026-2027
HuckleberryPalmdale, Unincorporated Area (Elizabeth Lake) 2026
Kinneloa *Altadena  2026-2027
Lamanda *Altadena  2026-2027
MaybellCovina/ San Dimas  2028
MerlinMalibu, Unincorporated Area (Malibu Hills) 2026-2027
MiloCalabasas  2028
MulhollandUnincorporated Area (Triunfo Canyon, Malibu Lake)Completed in 2025
Nicholas *Malibu, Unincorporated 2026-2027
OrionSanta Clarita, Unincorporated  2028
Paloma *Altadena  2027
PayneBradbury  2028
ParadiseCalabasas, Unincorporated Area (Topanga Park/Canyon) 2026-2027
PlateauCalabasas, Unincorporated Area 2026-2027
PrimroseMonrovia  2028
RhodaCalabasas, Unincorporated Area 2026
Robin/ Blue RidgeUnincorporated, Big Pines 2027
RomanusUnincorporated/ Near Santa Clarita  2028
Seco *Altadena  2026-2027
SerraMalibu, Unincorporated Area 2027
ShowdownLancaster 2028
SiennaCalabasa; Unincorporated 2028
StutzWhittier 2027
Tola *Altadena  2026-2027
TriunfoAgoura Hills/ Unincorporated Area 2026
VeteransLos Angeles, Unincorporated Area 2027
Vicasa *Unincorporated Area (Topanga Canyon) 2026-2027

Orange County (Updated as of 7/17/2026)

CIRCUITCOMMUNITIESPLANNINGPERMITTINGCONSTRUCTIONTARGET COMPLETION DATE
AcresLaguna Beach, Unincorporated 2028
AgateLaguna Beach, Unincorporated 2027
ArtistLaguna Beach, Unincorporated  2028
CorteseLaguna Beach  2029
KewameeLaguna Beach, Unincorporated  2028
RubinIrvine, Laguna Beach, Aliso Viejo 2028
RusticUnincorporated (near Rancho Santa Margarita)  2028

Riverside County (Updated as of 7/17/2026)

CIRCUITCOMMUNITIESPLANNINGPERMITTINGCONSTRUCTIONTARGET COMPLETION DATE
CaranchoUnincorporatedCompleted in 2025
ConestogaUnincorporated/ near Temescal Valley2028
DartmouthSan Jacinto, Unincorporated AreaCompleted in 2025

San Bernardino County (Updated as of 7/17/2026)

CIRCUITCOMMUNITIESPLANNINGPERMITTINGCONSTRUCTIONTARGET COMPLETION DATE
AbacusSan Bernardino 2027
AllViewRunning Springs   2029
Big FallsForest Falls, Mountain Home Village 2027
Bryn MawrRedlandsCompleted in 2025
ButterfieldChino HillsCompleted in 2024
Camp AngelusAngelus Oaks 2027
CircleWrightwood/ UnincorporatedCompleted in 2024
CramSan Bernardino, Unincorporated2027
Del CarbonChino Hills  2028
FanoSan Antonio HeightsCompleted in 2025
HassMentone, Redlands, Unincorporated Area2026
LarkWrightwood2027
MutualRedlandsCompleted in 2025
Oak GlenOak GlenCompleted in 2026
PoultryForest Falls, Mountain Home Village2025-2026
Poultry / Stonewood / Bear ValleyYucaipa, Unincorporated Area 2025
RobinBig Pines Highway2027
TenderChino HillsCompleted in 2026
VerdemontUnincorporated2028

Tulare County (Updated as of 7/17/2026)

CIRCUITCOMMUNITIESPLANNINGPERMITTINGCONSTRUCTIONTARGET COMPLETION DATE
SuccessUnincorporated Area (Soda Springs, Bagby Hill)2026-2027

Ventura County (Updated as of 7/17/2026)

CIRCUITCOMMUNITIESPLANNINGPERMITTINGCONSTRUCTIONTARGET COMPLETION DATE
BorchardThousand Oaks, Unincorporated 2027
HooliganThousand Oaks, Unincorporated Area (Hidden Valley) 2026-2027

*: Expedited for fire rebuild

 

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Frequently Asked Questions

FAQ

Targeted Undergrounding - General Dropdown icon
  • Targeted Undergrounding - General
  • Targeted Undergrounding - Permitting and Easements
  • Targeted Undergrounding - Construction
  • Targeted Undergrounding - Claims

In situations where an electrical line is not undergrounded, SCE may continue to pursue other mitigations, such as replacing the bare wire with covered conductor. This is one of the most valuable tools in cost-effectively and expeditiously reducing ignition risk, especially when supplemented with inspections and vegetation management. Learn more about SCE’s wildfire mitigation efforts at sce.com/mitigation.

Currently, funding of targeted undergrounding projects for wildfire mitigation purposes is requested as part of SCE’s General Rate Case proceeding and differs from Rule 20 undergrounding projects, which are initiated by a governmental agency (e.g., city, county), developer or individual customer.

  • Per current CPUC-approved tariff rules, customers are responsible for the cost of undergrounding service lines, which connect utility facilities to property owners’ electrical panels. These civil construction costs are typically paid to a private, licensed contractor hired by the homeowner to perform the civil work required to install an underground service line on the homeowner’s property. SCE is seeking alternative ways to help reduce this expense for these homeowners.
  • At this point, there is an option for standing homes to remain with overhead service line connections with covered conductor.

Currently, funding of targeted undergrounding projects for wildfire mitigation purposes is requested as part of SCE’s General Rate Case proceeding and differs from Rule 20 undergrounding projects, which are initiated by a governmental agency (e.g., city, county), developer or individual customer.

The SCE targeted undergrounding website provides maps by county for the scope of work we’re planning in different communities. Different stages of the undergrounding work will require different permits. During the planning phase, SCE will initiate early permit applications with the city, county and CalTrans. We’ll also initiate any government lands and environmental requirements. As we move into the scheduling phase, we’ll perform the standard permitting and easement processes, perform the environmental clearance process and obtain additional agency permits, if required. Undergrounding construction requires disturbance along the entire route, which could require approval from multiple agencies and jurisdictions, as well as more extensive reviews and approval.

No. An easement allows crews to access the property for construction or maintenance on SCE equipment and for that equipment to remain.

SCE will only enter the premises if equipment installation or maintenance is needed. Customers will be notified before crews arrive. 

Once an agreement is reached, the easement is permanent and will stay with the property, even if the property ownership changes. 

During the design phase, planners try to avoid the need for easements, but sometimes the only feasible path for underground equipment is through private property. If just one customer declines, the entire neighborhood may not be able to have underground lines. 

SCE will only enter the premises if equipment installation or maintenance is needed. Customers will be notified before crews arrive.

No. An easement allows crews to access the property for construction or maintenance on SCE equipment and for that equipment to remain.

A Right of Entry (ROE) grants temporary permission to an entity, such as SCE, to enter and access a property for specific purposes (e.g., inspections, surveys or construction preparation). 

An easement is a permanent property right that allows ongoing use of a portion of the property.

A Right of Entry (ROE) grants temporary permission to an entity, such as SCE, to enter and access a property for specific purposes (e.g., inspections, surveys or construction preparation). An easement is a permanent property right that allows ongoing use of a portion of the property.

Undergrounding is a very complex project, and because of that, the timing of the work is subject to change as the work progresses. Work will typically occur from 7 a.m.-7 p.m., Monday through Friday and with occasional work on weekends. The times will be the same for undergrounding work but may require 24-hour work for underground drilling in some locations.

SCE vehicles will feature the company’s logo. Anyone associated with the work will also carry ID badges.

The targeted undergrounding work may require occasional access to individual property, but notification will be made ahead of time to property owners. We understand the stress that traffic can have on all of our lives and SCE will work very closely with the city on public outreach around the traffic impacts so we can make sure folks plan their commute and daily errands around the closures. We can’t eliminate the impact of lane closures, but we can minimize inconveniences by spreading the word.

While dust during the undergrounding construction work cannot be completely eliminated, you may also see a water truck periodically spraying water at the work site during operation of construction equipment and vehicles to help reduce fugitive dust. This is being performed in accordance with the project’s dust control guidelines. Here are a few simple tips that may help you reduce construction disturbance: close windows and doors facing the construction area to reduce noise and dust, and watch for project updates to ensure you have the most up-to-date information about the work taking place in your area.

Once undergrounding construction work has been completed, SCE will perform post-construction cleanup and restoration activities in project work areas.

Customers may experience outages associated with targeted undergrounding work and we recognize that temporary outages can be inconvenient and appreciate your patience. In these cases, we will notify you by phone, text, email or mail at least 72 hours before the outages you so you can take any necessary precautions. Please be aware, however, that timing can change for safety reasons. It’s possible that an outage can be rescheduled, canceled, or end earlier than planned. Your notification will include a Scheduled Outage Number that you may enter into our Outage Map to receive the latest updates.

If you believe SCE is responsible for damage to your property incurred during the undergrounding work, you may submit a claim. SCE Claims department will evaluate claims on a case-by-case basis. You can find more information about filing a claim by visiting sce.com/claims.

If you have specific questions not answered on the website, you can leave a voicemail for the project team on its dedicated phone voicemail box at 1-888-331-0010.

Additional Information

Contact Us

Please email us or leave a voice message for the Targeted Undergrounding project team on our dedicated phone voicemail.

Email: SCEprojects@sce.com

Phone: 1-888-331-0010

1 An assessment is only to determine the feasibility of undergrounding power lines in the areas identified. It is not guaranteed that SCE will perform this work in your community.

2 Work may be rescheduled or delayed for various reasons, including crews' need to focus on emergency repairs, outage restrictions during heat storms and the discovery of endangered species or historical artifacts on-site.

Related Links
  • Wildfire Mitigation Plan
  • Advanced Technology
  • Disaster Recovery
  • Public Safety Power Shutoff (PSPS)
  • Enhancing Grid Resilience
  • Vegetation Management
  • Wildfire Communications

Weather And Fire Detection

Advanced technology for monitoring wildfire conditions.
field workers working on a targeted undergrounding project

Creating New Underground Paths for Power Lines

Find stories and videos about our targeted undergrounding efforts on Energized by Edison. You can also stay informed by signing up for monthly newsletters.
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