EV Charging Ports
Engineered
0+
- 100+ DC Fast Chargers
- 1,200+ Level 2 Chargers
Passenger · Fleet · Heavy-Duty Transit · Marine
Electrical Distribution engineering, electric vehicle charging station infrastructure design, and utility coordination for the fleets, dealerships, and commercial customers electrifying transportation in California, Oregon, Nevada, and Washington.
Over two decades of engineering across public, utility, commercial, fleet, and EV infrastructure.
EV Charging Ports
Engineered
0+
Passenger · Fleet · Heavy-Duty Transit · Marine
Projects
Completed
0+
Commercial, industrial, utility, and EV projects permitted and energized.
Total Site
Construction Value
$0M+
Construction value supported by SLC engineering and permitting.
Principal Engineer
Experience
0+ YRS
Frank Sylvester, P.E., principal-in-charge on every project.
Our Services
Electrical, Civil and Structural engineering services designed and permitted under a single engineering firm with experience on the customer and utility sides of the meter.
Explore all 60+ servicesEstablished Utility Coordination
PG&E
Pacific Gas & Electric
SCE
Southern California Edison
SDG&E
San Diego Gas & Electric
Liberty
Liberty Utilities
Drag to see the full timeline of SLC projects.
2025

EV design: site civil and electrical plans for construction of one Level 3 DCFC.
Location: Van Nuys, CA
Partner: Going Green NRG
2025

BTM and TTM design for installation of Level 3 charger.
Location: Porterville, CA
Partner: Going Green NRG
2025

Engineer of Record for updated SLD and site plans submitted to PG&E for primary service. 20 MW connected load to 16+ MCS heavy-duty Class 8 truck charging.
Location: San Francisco, CA
Partner: Power Chord Utility
2025

Condition assessment, conceptual site design, and SLD for 300 kVA of EV boat and jet ski charging.
Location: South Lake Tahoe, CA
Partner: ClearView Electric
2025

EV electrical and civil design permit plans for construction of 2.5 MW of fleet charging.
Location: South San Francisco, CA
2025

BTM and TTM design for installation of (2) Level 3 chargers and (6) Level 2 chargers.
Location: Chino Hills, CA
Partner: Going Green NRG
2025

Large load study. Site plans and SLD developed for PG&E large load study: 6 MW of EV charging.
Location: San Francisco, CA
2025

EV electrical and civil design permit plans for construction of 2.5 MW of fleet charging.
Location: San Francisco, CA
2025

EV electrical and civil design for 1 Level 3, 4 Level 2 chargers, plus new SDG&E electrical service.
Location: Escondido, CA
Partner: Going Green NRG
2025

Electrical site designs and single line diagrams for multiple PG&E yards and facilities.
Location: Bakersfield, King City, Los Banos, Morgan Hill, CA
Partner: CLAD Engineering
2025

Load study: analysis of existing service load to support future heat pumps.
Location: South Lake Tahoe, CA
Partner: Clear View Electric
2025

Design of customer-owned overhead primary line service plus PG&E primary service coordination and support.
Location: Willits, CA
Partner: PG&E
2024

Electrical design of whole-home backup system: solar, bi-directional EV charger, and microgrid controller.
Location: Private Residence, Lincoln, CA
2024

Civil and electrical design for Level 3 plus future plug-ins for EV charging stations with ADA design.
Location: San Francisco, CA
Partners: Power Chord Utility, E2
2024

Civil and electrical design for Level 2 and Level 3 EV charging stations.
Location: Alhambra, CA
Partners: Going Green Energy, E2
2024

Civil and electrical design for Level 2 and Level 3 EV charging stations.
Location: Buena Park, CA
Partners: Going Green Energy, E2
2024

Civil and electrical design for Level 2 and Level 3 EV charging stations.
Location: Huntington Beach, CA
Partners: Going Green Energy, E2
2024

Civil and electrical design for Level 2 EV charging stations.
Location: Moreno Valley, CA
Partners: Going Green Energy, E2
2024

Civil and electrical design for Level 2 and Level 3 EV charging stations.
Location: Hemet, CA
Partners: Going Green Energy, E2
2024

Civil and electrical design for Level 2 and Level 3 EV charging stations.
Location: Lake Elsinore, CA
Partners: Going Green Energy, E2
2024

Civil and electrical design for Level 2 and Level 3 EV charging stations.
Location: Poway, CA
Partners: Going Green Energy, E2
2024

Civil and electrical design for Level 2 EV charging stations with ADA design.
Location: Riverside, CA
Partners: McKee Electric, Pacific Engineering & Construction
2023

Heavy-duty EV truck stop concept supporting Watson’s warehouse customers: design, layout, cost estimate, grant funding, total cost of ownership analysis. Included photovoltaic canopies and battery energy storage.
Location: Carson, CA
Partners: E2, Sargent Lundy
2023

Engineer of Record for feeder line upgrade: electrical and civil services, overhead and underground distribution upgrades and repairs.
Location: Beale AFB, CA
Partner: TW Powerline
2023

Civil and electrical design for Level 3 EV charging stations.
Location: City of Industry, CA
Partners: Going Green Energy, E2
2023

Civil and electrical design for Level 2 EV charging stations.
Location: Buena Park, CA
Partners: Going Green Energy, E2
2023

Civil and electrical design for Level 2 and Level 3 EV charging stations.
Location: Long Beach, CA
Partners: Going Green Energy, E2
2023

Civil and electrical design for Level 2 and Level 3 EV charging stations with ADA design.
Location: Costa Mesa, CA
Partners: Going Green Energy, E2
2022–Ongoing

Applicant designer for PG&E customers expediting Overhead or Underground To-The-Meter (TTM) design.
Location: Various Sites, CA
Partners: Multiple Residential Customers, Contractors & Developers
2022

Engineering and electrical distribution design: medium voltage service for sixteen 360 kW Level 3 DC fast chargers (5.8 MW total) plus 480 V service for the truck stop.
Location: Bakersfield, CA
Partners: Collins Electric, Engineering Partners Inc.
2021

Electrical distribution design and engineering for both TTM PG&E distribution and BTM permit package for 16-19.2 kW Level 2 chargers.
Location: Concord, CA
Partners: Charge EPC, RC Electric
2021

Engineer of Record for feeder line upgrade: electrical and civil services with overhead distribution on concrete poles.
Location: Vandenberg, CA
Partner: TW Powerline
2021

Design and electrical engineering for installation of an electric DC fast charger for boats on a floating pier.
Location: Tahoe City, CA
Partners: Vita Boats, Aqua Chargers
2021

Engineering and design of overhead pole line replacement project to PG&E standards.
Location: Somes Bar, CA
Partner: TW Powerline
2020–2022

Engineer of Record for 25+ mobile home parks plus hundreds of distribution poles and miscellaneous electrical distribution projects.
Location: Various Sites, CA
Partner: Charge EPC
2017

Engineer of Record for power and control system upgrade for the RCS chloramine management system.
Location: San Jose, CA
Partner: Industrial Control Systems
2014

Electrical design of power, lighting, and distribution for new 52′ box sewer treatment plant and irrigation pump station.
Location: Jamestown, CA
Partners: Gold Electric, Mountaineering Engineering
FRANK SYLVESTER, P.E. · CA, NV, OR, WA
Engineer of Record
Principal Engineer · Subject-matter expert for electrical distribution, EV charging, and utility coordination.
Frank spent over half his career in public service engineering for the City of San Francisco, at DPW, the Public Utilities Commission, and project manager for Hetch Hetchy Water and Power, then led electrical distribution upgrades as a Senior Manager at Liberty Utilities in Tahoe.
Frank is SLC's engineer of record on every project. One point of accountability, scope to energization.
Licensed In
California
Licensed 2010
Oregon
Licensed 2023
Nevada
Licensed 2025
Washington
Licensed 2026
Multi-site partners
Contact
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