Development History

2014
2014

Founded.

2015
2015

±800kV 6250A smoothing reactor received qualification from the CMIF.

110kV 80000Var dry-type shunt reactor earned industry qualification.

110kV 9600kVar dry-type series reactor earned industry qualification.

2016
2016

• Bid on and won the contract of the ±1100kV smoothing reactors for the world's Highest Voltage level ±1100kV Changji-Guquan UHVDC Project.

• Bid on and won 3 HVDC lines @ 800kV.

2017
2017

• ±1100kV UHV Smoothing Reactors are recognized as leading-edge technology by the industry.

• Recognized as a National High-tech Enterprise.

2018
2018

Won 500kV Zhangbei Flexible DC Grid project and 800kV Wudongde UHV multi•terminal DC project.

• Launched an initiative to design and develop ±800kV dry-type converter reactor.

• Invest in a 500kV large-capacity CLR reactor.

• Established R&D Center in Changsha.

• Established R&D Center in Beijing.

2019
2019

• Bid on and won Northern Shaanxi-Wuhan ±800kV UHV DC Project.

2020
2020

• The ±800kV converter reactor received the qualification.

• The ±500kV CLR reactor gets the qualification.

• Bid on and won 1000kV UHV AC project.

• Bid on and won the Pakistan 220kV CLR reactor Project

2021
2021

• Bid on and won 3 UHVDC projects.

A lightweight converter reactor suitable for offshore wind power was developed, and a third-party  qualification was obtained.

2022
2022

Built the world's first 500kV Dry type Air core shunt reactor.(Silvania Project in Brazil)

• Won 1000kV UHVAC project.

• Recognized as a technology "Little Giant " enterprise.

2023
2023

• Upon the acquisition of Yubo Electric and EPEI, TEEE entered the Group development model.

• Bid on and won 7 HVDC lines.

• Over 16,000 reactors were built and delivered.

2024
2024

1.Shaanxi North - Anhui ±800kV UHV DC transmission project

2. Gansu - Zhejiang ±800kV UHV DC transmission project

3. Jiangsu Yangzhou - Zhenjiang ±200kV DC transmission project

4. Aba - Chengdu East 1000kV UHV AC Transmission Project Bid on and won 7 HVDC & HVAC transmission lines projects.

5. Brazilian ANEEL Auction project 001/2024 -LOT 2 & LOT13, LOT1 & LOT5

6. ±336kV Borwin6 German offshore wind project

7. Brazilian ITAIPU ±600kV high voltage DC transmission retrofifit project