Insights

Stable energy HEI is a Hawaii-based holding company focused on energy infrastructure, indicating ongoing needs for reliability, grid modernization, and maintenance services across a geographically concentrated market.

Financial momentum Recent quarterly results show a substantial year-over-year improvement and a fixed liability profile from Maui wildfire settlement, suggesting capacity for larger project funding, project finance partnerships, and risk-managed investments.

Tech modernizing HEI’s tech stack including Cloudflare, responsive web tools, and ASP.NET implies digital modernization and potential demands for cybersecurity, cloud services, data analytics, and integrated enterprise applications.

Expansion readiness With revenue in the mid-range and a broad Hawaiian footprint, HEI is positioned for infrastructure expansion or modernization programs that could benefit from engineering, procurement, and construction (EPC) partnerships.

Strategic partnerships Active interest from financial and institutional investors signals a favorable environment for co-investment, advisory services, and asset optimization partnerships to scale energy projects and resilience initiatives.

Similar companies to HEI

HEI Tech Stack

HEI uses 8 technology products and services including Snowplow, Adobe Experience Cloud, Webpack, and more. Explore HEI's tech stack below.

Media & News

HEI's Email Address Formats

HEI uses at least 7 email formats:
HEI Email FormatsExamplePercentage
First.Last@heco.comJohn.Doe@heco.com
98%
Fir.Last@heco.comJoh.Doe@heco.com
1%
Last.First@heco.comDoe.John@heco.com
1%
FLast@hei.comJDoe@hei.com
95%
Last.F@hei.comDoe.J@hei.com
2%
FirstLast@hei.comJohnDoe@hei.com
1%
FMLast@hei.comJMDoe@hei.com
2%

Frequently Asked Questions

What is HEI's phone number?

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You can contact HEI's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is HEI's stock symbol?

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HEI is a publicly traded company; the company's stock symbol is HEI.

What is HEI's official website and social media links?

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HEI's official website is hei.com and has social profiles on LinkedIn and Crunchbase.

How much revenue does HEI generate?

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As of July 2026, HEI's annual revenue is estimated to be $500M - $1B.

What is HEI's NAICS code?

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HEI's NAICS code is 55 - Management of Companies and Enterprises.

How many employees does HEI have currently?

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As of July 2026, HEI has approximately 156 employees across 3 continents, including North America, Asia and Europe. Key team members include Chief Financial Officer: E. B., President: D. R. and Owner: D. M. M. Explore HEI's employee directory with LeadIQ.

What industry does HEI belong to?

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HEI operates in the Holding Companies industry.

What technology does HEI use?

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HEI's tech stack includes Snowplow, Adobe Experience Cloud, Webpack, jQuery, Slick, DocuSign, Cisco and Smartsheet.

What is HEI's email format?

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HEI's email format typically follows the pattern of First.Last@heco.com. Find more HEI email formats with LeadIQ.

How much funding has HEI raised to date?

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As of July 2026, HEI has raised $1.3B in funding. The last funding round occurred on Sep 11, 2025 for $500M.
HEI logo

HEI

Holding CompaniesHawaii, United States51-200 Employees

HEI is a holding company comprised of a family of Hawaii-based entities that deliver the energy infrastructure supporting the state's economic and community activity. Based in Honolulu, Hawaii, the group operates in the energy sector to maintain and develop infrastructure essential to daily life.

The organization is mid-sized and focused on serving the Hawaiian market through its regional portfolio of assets. In June 2026, HEI Civil announced dual CSP certifications for Joosten and Hemric, illustrating an emphasis on safety leadership within the company.

Section iconCompany Overview

Phone number
Website
hei.com
Stock Symbol
HEI
NAICS Code
55 - Management of Companies and Enterprises
Employees
51-200

Section iconFunding & Financials

  • $1.3B

    HEI has raised a total of $1.3B of funding over 3 rounds. Their latest funding round was raised on Sep 11, 2025 in the amount of $500M as a Post IPO Debt.

  • $500M - $1B

    HEI's revenue is estimated to be in the range of $500M - $1B

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