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Renewables

EV Charging Station Design & Permitting Services

Propelling the transportation future with code-compliant, expandable, and smart EV infrastructure.

BESS Solutions

At Finulent Solutions, we offer comprehensive design and permitting services for Electric Vehicle Charging Stations (EVCS) that are suitable for both residential and commercial use.

Our expertise spans site-specific layouts, electrical load assessments, and detailed construction drawings that ensure safety, efficiency, and long-term reliability. From single-home charging points to large-scale commercial EV infrastructure, we integrate advanced design standards, grid compliance requirements, and future-ready scalability into every project.

By combining precise engineering with seamless permitting support, we help property owners, businesses, and developers accelerate EV adoption with cost-effective, code-compliant, and sustainable charging solutions.

Permit Plans for EV Charging Station Installations

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Residential EV Charging Station Design (Level 1 Charging Stations):

We offer easy and affordable Level 1 charger solutions that utilize standard residential outlets.

  • Run on 120-volt standard residential outlets, perfect for overnight home charging.
  • We offer streamlined permit documents consisting of:
    • Site-specific location plans.
    • Simple load calculations for safe system compatibility.

Commercial EV Charging Station Design (Level 2 & DC Fast Chargers)

We assist in the design and permitting of high-capacity chargers appropriate for public and commercial sites.

Level 2 EV chargers run on 240V and are best suited for offices, shopping malls, and fleets.
Level 3 DC Fast Charging utilizes high-voltage (typically 480V, 3-phase) systems for rapid charging in high-traffic areas.

Our permitting package features:

Detailed layout plans.
Detailed electrical load calculations.
Utility coordination for transformer installations and service upgrades.
ADA-accessible accessibility layouts.
Manufacturer’s Installation Literature and Specifications.
Compliance with NEC Code and local fire/building regulations.
Integration with safety signage and payment systems.

EVCS with Solar Carports

Top-down satellite photo of a layout for a BESS site. The site has 30 Sungrow ST3727kWh(L) battery boxes and 15 Sungrow SC3450UD-MV PCS units, placed in orderly rows on a grassy field. Site requirements comprise the site boundary, main gates, internal walkways, control room, HV SAT, and utility substation.
Structural and electrical schematics.
Configuration of the inverter, battery, and charger.
Drainage and environmental regulation.
Utility approvals for net metering and grid-tied connections.
ADA2- accessible designs with clearance and signage.

Electrical Load Calculations & Wiring Methods

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Load Calculations:
  • Complete analysis of EVCS influence on existing networks.
  • Upgrade requirements for transformers and service panels identification.
  • NEC1-compliant sizing to support long-term scalability.
  • We offer streamlined permit documents consisting of:

Wiring Methods:

We assist in the design and permitting of high-capacity chargers appropriate for public and commercial sites.

  • Provision of suitable wire gauges, conduits, and weather-resistant materials.
  • Application of grounded and bonded systems for safety in any installation setting.

We help customers realize energy cost savings and operational efficiency by:

Electrical Plan & Single-Line Drawings

Panel-to-charger wiring routes.
Voltage, current, and circuit breaker specifications.
Disconnects the placement for maintenance and safety.
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Site Planning & Parking Integration

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EVCS Location Planning:

  • Ideal placement of charging units for buildings and corridors.
  • Identification of ADA-accessible spaces.

Parking Lot Integration:
  • EV-specific reserved spaces with correct markings.
  • Safety and lighting considerations for nighttime use.

Photo Simulations:

We employ Photoshop and PhotoSim software to produce high-fidelity visualizations of the infrastructure under proposal.

These simulations facilitate stakeholder acceptance and municipal approvals.

Manufacturer Specifications & Literature

Performance specifications and installation specifications.
UL or equivalent compliance certification.
Product size and electrical tolerances.
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Charging Station Layout & Power Distribution

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Charger Layout Design:

  • Accessibility for convenient use and safe service.
  • Physical protection (e.g., bollards) from accidental damage.

Power Distribution Design:
  • PDUs, substations, or transformer integration.
  • Optimized cable routing to minimize voltage drop and enhance safety.

EV Signage & Wayfinding

Directional Signage
  • Assists users in locating EVCS in large parking lots.
  • Conforms to standard iconography and contrast levels to ensure visibility.

Informational Signage:
  • Explicit directions for using the chargers.
  • Emergency contact and QR codes for apps or support.
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The Finulent Advantage

Expert-Led Verification

End-to-End Expertise

Design, permitting, and utility coordination for all EV chargers

Beyond Compliance

Fast-Track Permitting

Code-ready plans for quick approvals

End-to-End Accountability

Solar + EV Integration

Unified solar and EV charging solutions

Investment Protection

Intelligent, Scalable Design

Modular systems sized for today and tomorrow

Investment Protection

Visual Simulations

Realistic renderings to speed approvals

Partner with Finulent for compliant, scalable EV charging solutions
Frequently Asked Questions
How do you calculate whether our current electrical service has enough capacity for EV charging?
Our engineers conduct an in-depth load analysis, looking at:
  • Current service capacity
  • Existing electrical demand patterns
  • Potential load reductions
  • Utility service upgrade options for DC fast charging stations
We offer explicit recommendations for any upgrades needed.
What inputs are required to design an EV charging station?
To design an EV charging station, we typically need:
  • Site address, photos and layout
  • Electrical service panel details (voltage, amperage)
  • Preferred charger type (Level 1, Level 2, or DC Fast Charger)
  • Number of charging ports required
  • Usage intent (public, private, fleet, commercial)
  • Utility provider details for coordination
  • Transformer specifications – Existing transformer capacity, distance from panel, and whether upgrades are required to support charging load
Do EV charging stations have to be powered by solar?
No, EV charging stations do not have to be solar-powered. They can be connected directly to the electrical grid, powered by diesel generators (in remote or backup scenarios), or integrated with battery energy storage systems (BESS). However, integrating solar (e.g., via solar carports) can reduce grid dependency, lower operating costs, and qualify your project for sustainability incentives or green energy credits.
What is required to design a fleet-level EV charging station?
Fleet charging design requires fleet size and usage patterns, site layout, power availability, charging speed requirements, and utility coordination. We also account for smart scheduling, load balancing, and future vehicle expansion.