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Safe, scalable, code-compliant BESS design

Battery Energy Storage Systems (BESS)

Phase X delivers premium Battery Energy Storage System (BESS) designs for utility-scale, commercial/industrial, and distributed-generation projects. Our team understands that BESS is not an accessory to a solar plant. It is a dynamic grid asset with its own electrical behavior, thermal profile, protection needs, and operational complexities. We design every site with a full-system mindset, aligning electrical, civil, structural, and controls engineering from day one.

Key Benefits

 

Whether standalone, co-located, hybrid, behind-the-meter, or part of a microgrid, our solutions balance safety, code compliance, performance, and long-term O&M. From modular layouts to engineered fire access, from grounding strategy to EMS integration, Phase X delivers BESS designs that are resilient, scalable, and ready to build.

  • End-to-End BESS Expertise – Electrical, civil, SCADA, and interconnection engineering managed under one roof.
  • Utility & Code Compliant – NFPA 855, NEC, UL 9540A, and utility requirements fully integrated into base design.
  • Thermal & Safety Focused – Layouts optimized for airflow, fire lanes, suppression pathways, and worst-case load cycles.
  • Modular & Future-Ready – Systems designed for expansion, hybridization, or capacity additions.
  • Cost-Aware Engineering – Efficient layouts minimize trenching, cabling, foundation work, and long-term maintenance needs.

Who We Serve

How We Support

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

Fundable, Interconnection-Ready

Technical Capabilities

BESS Engineering Workflow

From early feasibility through commissioning and real-world validation.

1
30% Design

Concept & Site Framework

Early planning and feasibility
  • Define BESS type and operational strategy.
  • Initial site layouts and enclosure placements.
  • Early grounding, interconnection, and protection considerations.
  • Thermal/fire spacing assumptions per NFPA 855.
  • Identify access, drainage, and utility tie-in constraints.
2
60% Design

Detailed System Design

Electrical, civil, structural & safety integration
  • Conduit and trench routing with auxiliary power design.
  • Grounding and fault isolation strategy.
  • Cable ampacity and load-cycle thermal studies.
  • Fire marshal–aligned layouts (UL 9540A spacing & access lanes).
  • Controls & communications architecture with BMS/EMS/SCADA vendors.
  • Preliminary switchgear, metering & relaying design.
3
90% Permit

Code Compliance & Coordination

Utility, AHJ & safety approvals
  • NEC, NFPA 855 & AHJ compliance checks.
  • Detailed HVAC and thermal management design.
  • Utility interconnection finalized.
  • Civil/structural drawings for pads, drainage & access.
  • Fire suppression and emergency response planning.
  • High-accuracy drawings for vendors & contractors.
4
IFC

Issued for Construction

Build-ready package
  • Final IFC drawings (electrical, civil, structural, SCADA).
  • Verified BOM for enclosures, cabling & equipment.
  • Controls, EMS & PCS coordination completed.
  • RFI support and commissioning assistance.

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 Battery Energy Storage System (BESS)?

Tell us about your site, power and duration targets, 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 

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.