Key factors must be considered before moving forward. We will determine your project’s feasibility.

Solar PV Design & Engineering

A carefully constructed design is the first step to a successful project. We are the top industry experts.

Solar PV project Commissioning

Essential for performance, safety, and warranty management for solar PV and energy storage systems.

System Performance Verification

Testing performance to verify production, design, and installation quality with system testing.

Solar PV Consulting

Expert advice from top solar industry professionals with hundreds of years of combined industry experience.

Independent Engineer Services

Our IE Review adds value and confidence that your project will stay online producing power as expected.

Solar PV Design & Quality Assurance Company

SEIPS provides PV and energy storage project engineering and quality assurance services during every stage of the project development life cycle from concept to commissioning and beyond. 

We pride ourselves in offering the very best quality assurance (QA) for the solar industry. Our solar PV engineering services include in-house licensed electrical, civil, and structural engineers. We offer performance testing, capacity modeling, QA inspections during and after construction, and evaluation services of existing systems. These services are offered across the globe in connection with the reach of the Solar Energy International (SEI) network.

Interesting Stats About SEI Professional Services


Over 550 Years of Collective Solar Energy Industry Experience


Over 200 Megawatts of Solar PV Designed, Installed, Commissioned, or Maintained


Over Four Dozen Solar Professional Team Members Employed


Ranked 38th in the Solar Power World Top 500 Contractors List for 2018

Our Team: Solar PV and Energy Storage Experts

The SEI Professional Services (SEIPS) team includes the solar industry’s top PV system designers, engineers, and technicians. Our team has over 550 years of combined solar PV and energy storage industry experience. We are uniquely positioned to offer leading-edge knowledge of solar PV and energy storage equipment, electrical codes, and standards. 

The types of solar PV design and quality assurance services offered will be tailored to meet the specific needs of your project. Solar engineering services are offered where we are licensed to operate and that list continues to grow rapidly.

SEIPS Case Studies

Our case studies showcase the challenges and successes of select SEIPS projects and how we provide world class technical services and solutions to the solar industry.

SEIPS Tech Tips

We provide SEIPS Tech Tips in order to keep driving the solar industry forward. Knowledge is power. Learn from our 550 years of combined experience.

Contact SEIPS

Please contact us with your project specifications so we can give you a tailored proposal for design, operations, feasibility, commissioning or consultation.

Tech Tips & Case Studies

Read some of our articles below with insider tips and studies.

Leadership Team