Home / Substations

High Voltage Engineering

Substation Design & Engineering

Phase X designs custom-tailored stations for receiving power from 12 to 345 kV, with clear equipment specifications that help bidders focus on delivering the best value. Construction details are project-specific and pulled directly from our custom 3D models to accurately represent the final installation.

What We Deliver

Every Substation Discipline, One Coordinated Set

From single-lines to foundations, we design and detail the complete station — so the package that reaches the field is constructable, biddable, and clash-free.

Physical Design & Layout

General arrangements, equipment layouts, and section views optimized for safety, access, and constructability.

3D Modeling

Full 3D station models for clash detection, multi-discipline coordination, and stakeholder review.

Electrical Design

Single-lines, protection & relay schemes, grounding, lightning protection, and AC/DC auxiliary systems.

Structural & Foundations

Steel structures, equipment supports, and foundations designed for wind, seismic, and short-circuit loading.

Bill of Materials

Complete, accurate BOMs that tighten procurement and protect bid margins from the start.

IFC Packages

Permit-ready, issued-for-construction drawing sets with the detailing crews need in the field.

Station Types

Built for the Station You Need

Whatever the role in the grid, we tailor the design to its function, site, and interconnection requirements.

Distribution

12–35kV step-down for local load.

Transmission

69–230kV bulk power stations.

Solar Collector

PV collection and step-up to grid.

BESS Interconnection

Storage tie-in and grid interface.

Switching Stations

Sectionalizing and routing without transformation.

Mobile / Temporary

Rapid-deploy and contingency stations.

Who We Serve

How We Support

Whether you’re developing, building, or owning — Phase X aligns with your goals from kickoff to commissioning.

Fast, Buildable Designs

Technical Capabilities

Typical Substation Design Timeline

1
30% Design

Concept & Layout

Early planning and definition
  • Switching, one-line, and three-line diagrams.
  • Preliminary general arrangement.
  • Initial BOM for major equipment.
  • High-level equipment specifications.
2
60% Design

Detailed Engineering

Coordinated electrical and structural design
  • Control enclosure plans and elevations.
  • AC/DC schematics and SCADA diagrams.
  • 3D Inventor model and conduit routing.
  • Ground grid layout and cable schedules.
3
90% Permit

Permit-Ready Package

Studies and stamped engineering
  • Short circuit and insulation coordination studies.
  • Arc flash and Title 24 calculations.
  • Foundation and structural steel plans.
  • PE-stamped permit drawings.
4
IFC

Issued for Construction

Construction, commissioning & close-out
  • Final BOM and wiring diagrams.
  • Relay settings and SCADA commissioning.
  • NERC documentation.
  • As-builts and record drawings.

Licensing & Reach

Licensed Across the USA

Phase X holds electrical and civil engineering licenses across multiple states — with more in progress. We’re ready to work where you need us.

Electrical & Civil: Arizona, California, Georgia, Illinois, Indiana, Mississippi, Nevada, New Mexico, North Carolina, Oklahoma, Oregon, Texas, Virginia, Washington

Electrical only: Alabama, Colorado, Idaho, Iowa, Louisiana, Missouri, New York, Massachusetts, Tennessee

Civil only: Arkansas, South Carolina

Mechanical (16): Arizona, Arkansas, California, Georgia, Illinois, Indiana, Mississippi, Nevada, New Mexico, North Carolina, Oklahoma, Oregon, South Carolina, Texas, Virginia, Washington

Licensing within your state can be acquired if needed.

Planning a Substation?

Tell us about your site, voltage, and timeline. We’ll align early, model it in 3D, and deliver an IFC package your crews can build from.

Licensed across the USA · In-house electrical, structural & civil · 12kV–230kV

Muruvvet Ersoz

Executive Assistant

Muruvvet brings love, life, and calm to Phase X.  You can find her tending to the needs of the team and brings over a decade of expertise in executive support and relationship management. She plays a vital role in bridging the gap between engineering and business. As a child, Muruvvet wanted to be a teacher, and believes that being an EA is like being a “corporate teacher”.  Beyond her professional skills, Muruvvet is trilingual and has a passion for traveling, art, and culture. Her love for the arts and culture translates into her work, where she brings a creative and innovative approach to problem-solving. 

Muneeba Akbar

Electrical Designer

Muneeba came to Phase X in 2023 after obtaining her engineering degree in South Africa.  She works on the design, modeling, and power system analyses of substations, BESS, and photovoltaic systems. Muneeba is dedicated to refining her power system design knowledge and aspires to become a licensed Professional Engineer.  In her free time, she enjoys learning languages, researching areas of interest, hiking, and cycling.  She is also an amazing baker, and occasionally brings delicious home-baked breads to the office.

Scott Miller IV

Electrical Designer

Scott is an Aries, hocky lover, and an exceptionally quick learner.  He likes remaining up to date with the latest industry trends and advancements to provide the most effective solutions to our clients. He is also the photographer behind all of the company photos and has a passion to photograph cosplays at comic conventions, like ComiCon.

Jordan LeFord

Electrical Design

Jordan is known by many names (Air, Bird Man, Boy Wonder to name a few) and has over 25 years of experience specializing in the support of electrical, civil, surveying, architecture, and telecommunication.  He works well under pressure and is an avid sports enthusiast with a particular passion for golf which may have started during his first job at a country club.

Chris Arevalo

CAD Manager

Chris is an exceptionally talented design extraordinaire with a contagious can-do attitude and a driving force within our team.  This early bird excels in transforming design concepts into functional and accurate 3D models with details and content clients rely on for construction. Chris is known for his mentorship skills, providing guidance and support to his colleagues. Outside of work, he enjoys camping and embracing the great outdoors.

Luke Dye

Mechanical Designer

Luke is a dedicated and skilled mechanical engineer with a background in design engineering.  He brings a mechanical edge to the team.  Luke has a passion for creation in and out of the office.  He indulges in golfing and baking delicious treats and enjoys experimenting with different recipes, techniques, and flavors. 

Rajko Grabusin

Electrical Designer

Rajko is an avid cyclist and says he enjoys “football,” but we think he means soccer. He is a Balkan native and brings a wealth of knowledge all the way from Croatia to the team.  Rajko holds a master’s degree in electrical engineering from Croatia and has significant experience as an electrical technician.  He has become a champion of substation and BESS projects, and he performs electrical power system studies.

Aishwarya Salvi

Job Captain

Aishwarya (Ash) is an animal-loving Gemini who is a competitive basketball player turned architect.  At Phase X, she leverages her extensive 5+ years of experience in architecture and structural design to bring a holistic design philosophy with precision and excellence.  Ash is a talented sketch artist and a phenomenal cook.

Darlene Boresch

CEO

A visionary leader who focuses on strategic growth initiatives, ensuring Phase X continues to set industry standards and challenges the norm.  Darlene is a licensed CPA and has spent the last 20 years working with some of the best entrepreneurs in the tech space to develop and accelerate startup operations, financial strategy, and business advisory to startup companies from seed to IPO.  When she is not implementing growth and long-term vision business strategies, you will probably find her lifting weights at the gym, on a dance floor, or playing with her two sons.  Darlene’s passionate about building high-performing teams that include the best-in-class talent to foster a creative and collaborative company culture.