HEI was incorporated in 1998 and is based in Denver, Colorado.
HEI team includes electrical engineers, civil/structural engineers, designers and project support staff with decades of experience in high voltage substation and transmission line design, standards, and owner’s engineering. Our engineers have professional engineering registrations in many states.
We are certified as a Woman Business Enterprise (WBE) by the Women Business Enterprise National Council and by the California Public Utilities Commission.
Through the years, HEI was named to the Inc. 5000 list of fastest growing private companies in the country; was awarded the Service Provider of the Year, small business class, from the Women Business Enterprise National Council – Western Division; and was recognized by Xcel Energy as one of its best diversity suppliers.
Our clients are large and medium size utilities, municipalities, federal agencies, construction companies, as well as renewable generation and transmission developers.