Commercial & Industrial | Distributed Generation | Solar & BESS Engineering Services

We have completed permit drawing sets for 3,400+ C&I solar and BESS projects over 100 kW!
Boasting more than 14 years of industry leadership and a robust team of over 130 in-house engineers, 58+ project managers and professional engineers, we possess the deep experience and technical prowess required to deliver superior engineering solutions. Our commitment is to enhance generation revenue for commercial solar systems while minimizing costs and empowering our clients to expedite the completion of solar and storage projects. This approach accelerates project timelines and significantly boosts profitability, facilitating scalable growth for our clients in the renewable energy domain.
Featured Articles
Engineering Tips for Preventing Permitting & Interconnection Roadblocks in C&I Solar PV Projects
Distributed solar generation continues to accelerate. According to SEIA, the US added 50 gigawatts of new solar in ...
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Bridging the Information Gap: How to Avoid Delays in Commercial PV Engineering
Delays are just about the worst problem for a developer or EPC working on a commercial solar project. Slowdowns cause ...
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How Owner’s Engineers Drive Efficiency and Quality in C&I Solar Projects
If you are looking to invest in Commercial & Industrial (C&I) solar + storage projects, you may have heard of ...
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Ground Mounts
Engineering services for ground-mounted solar projects, covering civil, structural, and electrical design, grading, foundations, and interconnection.
Rooftops
Engineering services for rooftop solar projects, including structural evaluation, electrical design, code compliance, and constructible permit documents.
Community Solar
Engineering services for community solar projects, supporting site design, permitting, interconnection, and scalable systems serving multiple subscribers.
Carports & Canopies
Integrated engineering for solar carports and canopies, addressing structural systems, foundations, drainage, electrical coordination, and constructible documents.
Battery Energy Storage Systems (BESS)
End-to-end engineering for standalone and solar-paired BESS, including sizing, design, interconnection, and code compliance.
Microgrids
Custom microgrid solutions integrating solar, storage, and generation assets, with full engineering, power studies, controls coordination, and commissioning support.
Repowering
Engineering support for solar and storage repowering projects, focused on system upgrades, capacity optimization, code compliance, and asset integration.
EV Chargers
Engineering and utility support for EV charging infrastructure, including load analysis, electrical design, interconnection, and site integration.
C&I Videos
Engineering Insights For the Solar + Storage Transition | Value Engineering & Working with AHJs
Senior PMs Who Combine Engineering Depth, Team Alignment, and Portfolio Execution
Highlighted Projects
C&I ROOFTOP SOUTH GATE, CA
Pure Power Engineering provided a comprehensive suite of electrical, structural, and owner’s engineering services for a commercial rooftop solar installation in Southern California. The project required coordinated permit ready design, detailed structural analysis for rooftop loading, and full interconnection support under a low voltage, behind the meter configuration. Our team supported the project through advanced design milestones, ensuring alignment with utility requirements and construction readiness.
Project At a Glance:
- AC System Size: 550 kW
- DC System Size: 588 kW
- Utility: California Edison
- Interconnection Voltage: Low Voltage (0 to 600V)
- Interconnection Type: Behind the Meter
- Scope of Services: Electrical Engineering, Structural Engineering, Owner’s Engineering
C&I ROOFTOP BALTIMORE, MD
Pure Power Engineering provided electrical design and forensic engineering services for a large scale commercial rooftop solar project in the Mid-Atlantic region. The system was designed as a front of meter installation interconnected at low voltage, requiring coordinated utility review and detailed engineering documentation through advanced design milestones. Our team supported the project with permit ready electrical design and technical oversight to help ensure compliance with local utility and jurisdictional requirements.
Project At a Glance:
- AC System Size: 9,000 kW
- DC System Size: 13,106.5 kW
- Utility: Baltimore Gas and Electric
- Interconnection Voltage: Low Voltage (0 to 600V)
- Interconnection Type: Front of Meter
- Scope of Services: Electrical Engineering, Owner’s Engineering
C&I ROOFTOP KEARNY, NJ
Pure Power Engineering provided electrical engineering services for a multi megawatt commercial rooftop solar project in Kearny, New Jersey. The project was designed as a front of meter system interconnected at medium voltage, requiring technical coordination with Public Service Electric and Gas and detailed engineering documentation to support interconnection and construction. Our team delivered advanced design packages aligned with utility standards and project execution requirements.
Project At a Glance:
- AC System Size: 3,600 kW
- DC System Size: 4,949.1 kW
- Utility: Public Service Electric and Gas (PSE&G)
- Interconnection Voltage: Medium Voltage (601V to 35kV)
- Interconnection Type: Front of Meter
- Scope of Services: Electrical Engineering
RETAIL SOLAR PORTFOLIO NATIONWIDE
Pure Power Engineering provided electrical, structural, and forensic engineering services for a nationwide portfolio of 50 commercial retail solar installations. Each project was designed as a behind the meter system, with interconnections ranging across multiple utility territories and jurisdictions.
Portfolio At a Glance:
- Typical AC System Size: ~1,080 kW
- Typical DC System Size: ~1,322.78 kW
- Interconnection Voltage: Medium Voltage (601V to 35kV)
- Interconnection Type: Behind the Meter
- Scope of Services: Electrical Engineering, Structural Engineering
Engineering Services
Preliminary Engineering
Project design, technical studies, reports, infrastructure analysis, and drawings to evaluate feasibility and advance projects from concept to construction.
Engineer of Record
Site surveys and studies, PV, inverter, and battery sizing, calculations, and code-compliant drawing sets for solar and storage systems.
Structural Engineering
Existing structure analysis, new structural design, equipment foundations, structural support solutions, utility pole design, and reinforcement strategies.
Power Engineering
Pre- and post-interconnection power engineering services, including system modeling, protection design, utility coordination, and grid compliance support.
Owner’s Engineering
Technical risk management, due diligence, performance validation, quality reviews, energy modeling, design evaluation, and project support.
Civil Engineering
Civil and electrical design reviews, discipline coordination, conflict resolution, value engineering, and civil guidance supporting integrated project delivery.
Value Engineering Tips See More
NEC 2026 - The Code Changes That Matter Most for Solar Developers and EPCs
The 2026 edition of the National Electrical Code (NEC) introduces a wide range of updates that affect how solar PV systems are designed, installed, and inspected. While many revisions are editorial or structural, several changes have real..
6 Practical Insights for Standalone Battery Energy Storage System (BESS) Design
Driven by grid stability & reliability needs and by the integration of renewables, Standalone BESS (battery energy storage systems) are moving from pilot to mainstream. But anyone who has tried to develop or engineer one, especially in dense, highly..
Interconnection queues are more congested than ever, and the path to approval is increasingly opaque. Developers are spending serious money on land control, studies, and legal work, only to hit delays when grid studies surface surprises late in the..
In the public eye, there is hardly a conversation about utility-scale solar without addressing the fear of losing valuable farmland. Debates with community involvement tend to be polarized. Developers see open fields as ideal for solar, while..