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Bolu And Nordic Chemical Support Implementation Of Hainan Province’s First Full-Capacity Grid-Connected Offshore Wind Power Project

Borouge 2025-08-13 09:06:05

Project Overview

Image 1: Loading of three-core 220kV submarine power cable onto the ship

(Provided by Jiangsu Hengtong High Voltage Submarine Cable Co., Ltd.)

The Hainan CZ2 Offshore Wind Power Demonstration Project site is located in the northern sea area of Danzhou City, Hainan Province, with an average water depth of 20 meters, a center distance of about 27 kilometers offshore, and a site area of approximately 191 square kilometers. The project has a total installed capacity of 1.2 million kilowatts, supporting the construction of two 220 kV offshore booster stations and one onshore centralized control center (located in Eman Town, Danzhou City), with a total investment of 15 billion yuan. In March this year, the first phase of the project achieved full-capacity grid connection and power generation, becoming the first offshore wind power project in Hainan Province to achieve full-capacity grid connection and power generation during the 14th Five-Year Plan period.

The CZ2 project is Hainan Province's first offshore wind power project to receive approval from the Ministry of Natural Resources and the first to receive official national approval to commence construction.Since the commencement of construction on January 28, 2024, facing multiple difficulties and challenges such as frequent typhoons, cold wave monsoons, complex maritime geology, and the high technical difficulty of directional drilling, the project team has united sincerely, focused on tackling key problems, and seized construction windows, continuously optimizing design plans and construction techniques to promote the project construction with high quality and efficiency.

Project Significance

Upon full completion, the Hainan CZ2 Offshore Wind Power Demonstration Project will be capable of delivering 3.82 billion kilowatt-hours of clean electricity annually. This is equivalent to saving 1.15 million tons of standard coal, reducing nitrogen oxides emissions by approximately 14,000 tons, and cutting carbon dioxide emissions by about 2.99 million tons. The first phase of the CZ2 project has an installed capacity of 600,000 kilowatts, and once operational, it will generate about 1.9 billion kilowatt-hours of electricity annually, sufficient to meet the annual electricity needs of approximately one million households.

In terms of economic benefits, the CZ2 project can drive the transformation of the local energy structure and the low-carbon upgrading of industries, injecting strong green momentum into the construction of the Hainan Free Trade Port and the "Clean Energy Island," thereby promoting local economic development.

Image 2: Cable Laying of Hainan CZ2 Offshore Wind Power Demonstration Project
(Provided by Jiangsu Hengtong High Voltage Submarine Cable Co., Ltd.)

Your Trusted Cable Solutions Partner

Following the successful cooperation on several important projects, such as the 220kV submarine cable project for the Bohai-Zhongkenli oilfield group's shore power application project, Jiangsu Hengtong High Voltage Submarine Cable Co., Ltd. has once again chosen to collaborate with Borouge and Borealis.The Hainan CZ2 offshore wind power demonstration project uses products manufactured by Borouge in the UAE.Borlink™ LS4201S...used for the production of 220kV 3×1000mm²The insulation layer of the main cable is made of high-voltage ultra-high purity low-density polyethylene insulation material, tailored based on the Borlink™ technology platform developed and licensed by Borealis. The closed-loop cross-linked polyethylene and post-impregnation process of Borouge and Borealis ensure the ultra-high purity and batch consistency of the product, thereby ensuring the safety and reliability of long-length submarine cable production.The maximum length of a single submarine cable in this project is approximately 33 kilometers, containing only one joint.

The inner and outer screens of the 220kV submarine cable use Borealis Borlink™ super-smooth shielding materials from Borealis, whose excellent smoothness, processing, and electrical properties bring numerous performance advantages to cross-linked polyethylene cable manufacturers. When used in conjunction with Borlink™ LS4201S, it can be widely applied to 220kV submarine cables to achieve continuous long-length operation.

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Li Chunmei, the Technical Director of Jiangsu Hengtong High Voltage Submarine Cable Co., Ltd., stated:"We have consistently maintained a good cooperation with Borouge and Borealis. Stable and reliable insulation and shielding materials are crucial for ensuring the continuous production of long-length submarine cables. Each project has proven the reliability of Borouge and Borealis materials and processes, reinforcing our partnership."

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Project Summary

Wen: Zhou Yue

Senior Engineer in Energy Application Development

Borealis Energy & Infrastructure Business Unit, North Asia

Learn more

Borouge website:

www.borouge.com

Borealis website:

www.borealisgroup.com

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Bolu And Nordic Chemical Support Implementation Of Hainan Province’s First Full-Capacity Grid-Connected Offshore Wind Power Project

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