Solar System Design Engineering | Engineer Of Record
Pure Power offers comprehensive system design services for solar and storage projects, covering everything from detailed site surveys and studies to precise calculations and drawings. We excel in accurately determining the optimal sizing and placement for PV modules, inverters, and batteries. Our services produce code-compliant, value-engineered, and risk-reduced drawing sets, empowering our clients to implement high-performance systems cost-effectively. With our decades of industry expertise, you can ensure your project meets industry standards and surpasses performance expectations at a reduced cost.
System Design Services
Site Surveys
Accurate field data collection to support design decisions, identify constraints early, and reduce risk during permitting and construction.
Glint & Glare Studies
FAA and stakeholder ready glare analyses to evaluate visual impacts, support permitting, and address aviation and community concerns.
Drawing Sets
Code-compliant, constructible drawing sets developed for permitting, utility review, and construction, with clear coordination across electrical, structural, and civil scopes.
Power System Studies
Utility-grade power system studies, including load flow, short circuit, protection, and dynamic analysis to support interconnection and grid compliance.
Featured Articles
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Read MoreMaking Distributed Storage Work in Your State
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Read MoreAreas of Expertise
Distributed Generation - C&I
Engineering for commercial and industrial solar and BESS projects, supporting permitting, utility coordination, and design from development through construction.
Transmission - Utility-Scale
Engineering for utility-scale solar + BESS projects, supporting interconnection, system studies, utility coordination, and design through development and execution.
Ground Mounts
Engineering services for utility-scale and commercial ground-mounted solar systems, addressing grading, foundations, interconnection, and constructability.
Rooftops
Engineering solutions for rooftop solar projects, including structural evaluation, electrical design, code compliance, and constructible permit sets.
Carports
Integrated engineering for solar carports, combining structural, civil, and electrical design to deliver durable, code-compliant parking solutions.
Battery Energy Storage Systems
Engineering services for standalone and solar-paired battery energy storage systems, including system sizing, electrical design, interconnection, and code compliance.
Microgrids & Repowering
Engineering support for microgrids and repowering projects, optimizing system upgrades, integrations, performance, and long-term asset value.
Videos
Bridging the Information Gap in Commercial PV Projects | Solar + Storage
Engineering Insights For the Solar + Storage Transition | Value Engineering & Working with AHJs
Unrivaled Experience & Knowledge
- Over 3,400 full designs (100kW & larger) completed & submitted for permits, plus other involvement in over 17,000 DG and Utility-Scale Project touchpoints.
- Essentially all this experience is still with the company, thanks to high retention rates for engineers & project managers.
- We only design solar + storage systems and understand it at a deep level that a jack-of-all-trades firm can't match.
- This experience allows us to solve complex engineering challenges and identify unforeseen risks in design & construction so clients can maximize the performance and profits of their solar + storage system.

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Large In-House Team for Fast Turnaround
- 130+ in house engineers, including 58+ highly experienced project managers and professional engineers.
- Fast response time to questions from skilled project managers that understand time is money.
This brings the following benefits:
- High bandwidth enables fast turnaround time on the most challenging projects and largest portfolios.
- We can accommodate our clients' aggressive schedules.
- Minimal use of subs, so we can expedite the work as needed.
- In-house cross functional engineering teams allow us to provide clients with a broader suite of services.
Trusted by Leading Developers & EPCs
Eric Sieckmann
Penn Renewables
Hartman Hoel
Sunpeak
Peter Misthos
Nautilus Solar Energy, LLC
High-Quality Drawings & Reports
We are known throughout the industry for our detailed, easy to understand construction drawings for our non-engineer clients and installers.
This brings the following benefits for clients:
- ProcurementAvoids mistakes when ordering materials.
- PermitsFaster approval by the AHJ
- InstallersAvoid Errors or bad practices during installation

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Value Engineering Tips See More

Value Engineering Steel Pile Foundations for Utility-Scale Solar Projects
In today's utility-scale solar market, developers, EPCs, and asset owners face increasing pressure to reduce project costs while maintaining long-term reliability and performance. One of the most significant opportunities for value engineering..
Value Engineering in Solar + Storage - Why “One-Size-Fits-All” Doesn’t Work
Solar engineering is often seen as a simple exercise of cutting installation costs. In reality, far more is at stake. Value engineering is the process of reducing costs while carefully balancing impacts on quality, performance, and long-term..
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The Most Common Carport Electrical Design Mistakes and How EPCs Can Eliminate Them
Solar carports may look deceptively familiar to rooftop or ground mount projects: steel, modules, inverters, conduits. But not so fast! Treating carports that way is one of the most direct paths to rework, delays, and uncomfortable conversations..
FAQ's
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What does solar system design involve?
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System design is the engineering that turns a project concept into a precise, buildable plan — determining the optimal sizing and placement of PV modules, inverters, and batteries, then documenting it in code-compliant drawings. Pure Power's system design covers site surveys, calculations, power system studies, and constructible drawing sets coordinated across electrical, structural, and civil scopes. The goal is a design that performs as modeled, passes review, and installs cleanly.
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How do you determine the right sizing for modules, inverters, and batteries?
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Correct sizing balances energy production, equipment cost, site constraints, and interconnection limits — for example, choosing the right module count, inverter capacity, and DC-to-AC ratio, plus battery capacity for storage projects. Pure Power specializes in accurately determining the optimal sizing and placement of PV modules, inverters, and batteries so the system delivers the most value without over- or under-building. This optimization directly affects both project economics and long-term performance.
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What makes a solar design "code-compliant" and "value-engineered"?
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Code-compliant means the design meets the applicable electrical, structural, and safety codes required for permitting and construction, while value-engineered means it achieves those requirements at the lowest reasonable cost and risk. Pure Power produces code-compliant, value-engineered, and risk-reduced drawing sets. Together these reduce change orders, procurement mistakes, and rework during construction.
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Does system design cover electrical, structural, and civil scopes together?
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Yes. Pure Power develops constructible drawing sets with coordination across electrical, structural, and civil scopes, so the disciplines align rather than conflict in the field. This coordination is what prevents the costly clashes that arise when scopes are engineered in isolation. It results in a single, cohesive set of documents for permitting, utility review, and construction.
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What types of projects does Pure Power design?
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Pure Power provides system design for commercial and industrial (C&I) distributed generation, utility-scale solar and battery energy storage, ground-mounted systems, rooftop installations, solar carports, and microgrid and repowering projects. Backed by 130+ in-house engineers and 3,400+ completed full designs of 100kW and larger, the firm handles projects across the distributed generation and utility-scale sectors.
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