Expert design is the core of a successful PV system.

SEIPS-SEIE Combined logo letterheadAt the beginning of 2016 SEI Engineering was formed to address the overwhelming need for our expertise in the utility-scale design space.  As a partner company to SEIPS, SEI Engineering embodies the pinnacle of quality and experience in the PV industry.  Led by a group of PV experts who work in code development and educate the industry, the expertise embodied in Solar Energy International (SEI) is focused through SEI Engineering to deliver world-class service to our design clients.

As of late 2017, SEI Engineering has delivered over 160 MW of design projects ranging from residential to utility scale.  Our clients receive unparalleled quality and insight that comes from years of evaluating equipment and evolving with the industry.

SEI Engineering delivers complete construction-ready plan-sets within budget and on-time – no exceptions.  We do not compete with the cheapest design firms in the industry because the level of quality they produce is not what we pursue.  Our interest is in delivering the best system to you, our client, with your highest interests considered at every step of the design process.  This is not to say that consideration of costs is not also paramount.  It just that we believe that quality during the design process is the first step in assuring you will not be performing costly retrofits or replacement of equipment either before or after your system is completed.  Our costs will be recouped manyfold through less problems during construction and for the life of the system.

Our participation in your project elevates quality from the start, which saves both time and money.  Coupled with our inspection and commissioning services a full quality assurance package can be implemented, and your project will produce the amount of power you expect.

SEI Engineering performs third-party reviews of designs by EPC’s and other design firms using the same design staff, and even other instructors from SEI, in order to deliver a truly impartial, high-quality evaluation.

In addition to electrical engineering we offer civil and structural engineering services, and even complete design project management.  We are experienced in acquiring all types of permits associated with solar installations in many states, and therefore are familiar with the potential variability of the AHJ’s involved.

SEI Engineering is currently licensed in the following states: CA, CO, GA, KS, MD, NC, OR, UT, WV

We are constantly acquiring licensure in more states, with the following states pending as of July 2016: DC, MT, MA, NJ, NY, TX

At this time the contact information for SEI Engineering is identical to SEI Professional Services.  You can reach us at or (970) 527-3920.  We look forward to assisting you on your next project or portfolio of projects.

SEIPS will create (or review if existing) the following:
  • Site plan and array layout
  • Electrical and grounding strategy
  • Module racking method
  • Balance of system (BOS) components and required labeling
  • Equipment pad design and mechanical drawings
  • Data acquisition system (DAS) plan
  • Utility interconnection method
  • Additional details as required


A carefully constructed and complete design is the foundation for a successful PV system. A well-established plan helps to ensure that you and your crew will be able to proceed efficiently with system construction. Or maybe you are a homeowner preparing to install your own system. Either way, the details of your system must be carefully established and clearly outlined for a smooth installation process.


Some projects must go through the permitting process with a local jurisdiction, which requires adherence to local and national regulations. Some projects only need to be constructed in a safe manner, which also means following regulations. SEI Engineering can consult with you during the design phase by either initiating and executing the design and permitting process, or by reviewing your existing plans for completeness and regulatory compliance.


SEIPS design services are not limited to only the electrical components. SEI Engineering also has structural and civil engineers on-staff to design the physical infrastructure that literally supports the system. This integrated approach to the design process allows SEI Engineering to provide you with a comprehensive set of plans and specifications, the quality of which is difficult to match in the industry.