EF-ON

株式会社エフオン EF-ON|私たちEF-ONグループは、人々の生活を支える技術・社会の省エネルギーを支援します。株式会社エフオン EF-ON

Japan · Founded 1997

Employees
201–500
Founded
1997
Business Model
B2C

About

EF-ON INC. is a Tokyo-listed energy services company that supports energy conservation, operates woody biomass power plants, manages forestry assets, and retails electricity. The group upgrades and operates customer equipment to improve indoor environments and cut energy use, while subsidiaries generate and sell power from wood-biomass facilities. Headquartered in Marunouchi, Chiyoda-ku, Tokyo, EF-ON was established in May 1997 and trades on the Tokyo Stock Exchange Standard Market under ticker 9514. As of June 2025 the group reported 297 consolidated employees and 31 parent-company staff.

Summary

EF-ON is an Energy company based in Japan, founded in 1997.

Tech & App Stack

4 technologies & apps tracked

Every product and vendor across these categories, with where each signal came from.

Create a free account with 25 free credits every month, no card needed, to unlock the full tech & app stack, funding history, and valuations.

Similar Companies

Fervo EnergyIPO

Fervo Energy develops, owns, and operates next-generation geothermal projects that provide around...

Houston, United States51–200Renewable Energy, Climate Tech
Series ETotal funding$1.1BDec 2025
Aspen Power

Solar developer that provides landowners and businesses guaranteed long-term lease payments to ho...

Clean Energy, Energy
Venture RoundTotal funding$670.0MJan 2026
SunPowerIPO

SunPower delivers all-in-one residential solar solutions, pairing panels and energy storage with ...

Orem, United States501–1000Clean Energy, Climate Tech
Venture RoundTotal funding$419.0MApr 2026
ZolarMerged

Zolar provides an AI platform for solar installations, combining digital configuration, installer...

Berlin, Germany11–50Clean Energy, Climate Tech
Growth EquityTotal funding$254.2MApr 2024
CubicPV

CubicPV develops perovskite solar module technology, achieving 24% efficiency in collaboration wi...

Bedford, United States51–200Climate Tech, Clean Tech
Growth EquityTotal funding$208.8MJun 2023
Tibber

Digital energy company using an app and smart technology to sell renewable electricity and optimi...

Førde, Norway201–500Clean Tech, Energy
Series CTotal funding$177.0MJun 2022

Your company? Embed this profile

Add the live badge to your site — it stays current as your funding data updates.

EF-ON on Indexed.vc
<a href="https://indexed.vc/companies/ef-on"><img src="https://indexed.vc/api/badge/company/ef-on" alt="EF-ON on Indexed.vc" width="260" height="76" /></a>