SEI Professional Services (SEIPS) Receives Prestigious Honor of 2018 Solar Power World Top 500 Contractor

July 31st, 2018|0 Comments

Solar Power World, the solar industry’s leading business-to-business publication, today announced the release of its 2018 Top Solar Contractors list. SEI Professional Services (SEIPS) from Paonia, Colorado was named to this prestigious list for the […]


SEIPS Tech Tips: Meter Selection for Solar PV Systems

May 31st, 2018|0 Comments

by Joe Villacci – SEIPS Technical Manager

Choosing the correct meter for electrical testing means paying close attention to the specifications of the meter, testing requirements, and site conditions. Functional options, voltage, current, and safety ratings […]

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SEIPS Case Study: Delta Montrose Electric Association (DMEA) and Area School District Solar Deployments

April 30th, 2018|0 Comments

As part of an on-going effort to encourage renewable energy in the local communities, SEI Engineering (SEIE) has been working with Solar Energy International (SEI) and the local utility company, Delta Montrose Electric Association (DMEA) […]

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SEIPS Interview: Make solar power, not tobacco

March 18th, 2018|0 Comments

by Janet Pelley / Originally posted by Ecological society of America

Tobacco farmers could make more money if they replaced their crops with solar panel arrays, concludes a new study (Land Use Policy 2018; The substitution would […]


SEI Engineering Helps Bring 5MW Solar PV System Online in Wadesboro, NC

March 14th, 2018|0 Comments

SEI Engineering (SEIE) served as the Electrical, Civil, and Structural Engineer for the Wadesboro Solar project recently highlighted in a press release by Schletter Inc. SEIE also acted as the Design Project Manager, working closely […]

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SEIPS Tech Tips: Reducing Solar PV Costs Through Quality Assurance

February 12th, 2018|0 Comments

Developers in the solar PV industry face tough challenges as costs fluctuate in their capital expenditure column. In contrast, the most controllable item in their estimates can be the design and installation process itself, and […]

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SEIPS Tech Tips: Workspace Clearances for Solar PV Systems

January 25th, 2018|0 Comments

by Rebekah Hren – SEIPS Senior Technician and PV System Designer – Solar Energy International Principal, CMP-4 of the National Electrical Code

Whether drafting an equipment layout for an engineered planset, physically mounting equipment, or inspecting […]

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SEIPS Tech Tips: Torque advice for PV Installers – One Grunt or Two Grunts?

January 17th, 2018|0 Comments

by Brian Mehalic – SEIPS Senior Technician
I inspect a lot of PV systems, and the most common problem I see is electrical connections not being properly tightened.  This is by no means a PV-specific problem, […]

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SEIPS Case Study: Bedford Solar – 3MW Solar PV with Single-axis Tracking in Bedford, Virginia

January 16th, 2018|0 Comments

Project Summary:
The undulating terrain of this 58-acre parcel with a project area of 16.2 acres made this a challenging site for a single-axis tracker, however our engineering team worked closely with the racking manufacturer and […]

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BOX Usage

January 4th, 2018|0 Comments

As most of you know, we recently switched to for our cloud storage.  While Box is similar to Google Drive, it is also quite different in how files are shared and used.  In this […]

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SEI Professional Services Team Members Selected to Serve on the National Electrical Code (NEC®) Code-Making Panel 4

November 30th, 2017|0 Comments

SEI Professional Services is proud to announce that we have team members participating on the Code-Making Panel 4 of the National Electrical Code (NEC®), which covers Article 690 “Solar Photovoltaic (PV) Systems,” along with several […]

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SEIPS Case Study: Testing and Inspecting the Solar Microgrid at Palmyra Atoll for The Nature Conservancy

November 18th, 2017|0 Comments

Palmyra Atoll, a spectacular marine wilderness in the vast equatorial Pacific, is a U.S. Fish & Wildlife Service National Wildlife Refuge and a Nature Conservancy center for world-class ocean and climate research. The Conservancy’s Research […]

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Design Considerations for Efficient, Safe, and Profitable Large-Scale PV Systems

August 29th, 2017|0 Comments

Technical Considerations for Realizing a Return on Your Investment at Solar Power International
Attending Solar Power International (SPI) is an exercise in prioritizing your goals.  The sheer volume of potential activities presents a decision-making challenge for […]

Policies and Links

July 20th, 2017|0 Comments

We want to take this opportunity to share some important links with you.  You already have access to many of these links on our policy page, but we thought it makes sense to once again […]

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June 26th, 2017|0 Comments

As part of an effort to streamline data and tie all of our documents together numbers will be showing up all over the place where they weren’t before.  It may seem obvious to most people, […]

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Press Release: SEIPS Officially Open for Business

April 13th, 2015|0 Comments

Paonia, CO, April 13, 2015 – Solar Energy International (SEI) announced the spin-off of SEI Professional Services LLC, a business dedicated to providing specialized services directly to the solar electric industry.

SEI Professional Services (SEIPS) has […]

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SEIPS Case Study: Honduras Commercial Solar PV System Commissioning

January 16th, 2015|0 Comments

In the winter of 2015 SEI Professional Services (SEIPS) performed the commissioning of a 3.03 MW grid-tied, roof-mounted PV power plant on a commercial bottling facility in San Pedro Sula, Honduras.  This project is the […]

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SEIPS Case Study: Bahamas Rooftop Solar PV System

January 10th, 2015|0 Comments

During the summer of 2014, SEIPS assisted with the installation of a 36 kW roof and wall mount PV system.  Our tasks included a review of the system design and balance of system per the […]