2022-05-22
http://w3.windfair.net/wind-energy/news/17043-report-excerpt-siemens-publishes-environmental-product-declarations-for-wind-turbines

News Release from Siemens Gamesa Renewable Energy

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Report Excerpt - Siemens publishes 'Environmental Product Declarations' for wind turbines

Brochures aim to provide authorities the requested transparency on the environmental performance of Siemens' wind products

Siemens Wind Power and Renewables has published four new Environmental Product Declaration (EPD) brochures, each representing one of the company’s four product platforms, covering both geared and direct drive wind turbines for offshore and onshore projects. The figures are based on Life Cycle Assessments (LCAs) of four defined wind power projects: two offshore wind plants with 80 wind turbines, and two onshore wind projects with 20 wind turbines. The new brochures offer valuable figures of the environmental performance of Siemens’ products.

Central to LCAs is the energy payback time calculation -- the length of time the wind power plant has to operate in order to produce as much energy as it will consume during its entire lifecycle. For instance, In an onshore wind power plant with an average wind speed of 8.5 meters per second, the energy payback time of a Siemens SWT-3.2-113 wind turbine is 4.5 months. This figure is based on a 20-turbine project, including a 13 kilometer grid transmission connection, and all the efforts involved covering material use, manufacturing, installation, operation and maintenance as well as dismantling and end-of-lifetime treatment.

The offshore Life Cycle Assessment based on a project with 80 Siemens D6 wind turbines shows another interesting environmental performance: During its estimated lifetime, it produces 53 million mWh and saves 45 million tons of CO2, which is equal to the amount of CO2 absorbed by a forest with an area of 1,286 km2 over 25 years. This figure corresponds to a CO2 emission of only seven grams per kilowatt-hour (g/kWh) compared to the 865 g/kWh found with average global fossil power production.

 

 

 

Environmental Product Declaration based on a full-scale LCA of an average European onshore wind power plant with 20 SWT-2.3-108 turbines installed.
Download the Environmental Product Declaration for the SWT-2.3-108 (PDF) 

 

 

 

 

 

 

 

 

Environmental Product Declaration based on a full-scale LCA of an average European onshore wind power plant with 20 SWT-3.2-113 turbines installed.
Download the Environmental Product Declaration for the SWT-3.2-113 (PDF) 

 

 

 

 

 

 

 

Environmental Product Declaration based on a full-scale LCA of an average European offshore wind power plant with 80 SWT-4.0-130 turbines installed.
Download the Environmental Product Declaration for the SWT-4.0-130 (PDF) 

 

 

 

 

 

 

 

Environmental Product Declaration based on a full-scale LCA of an average European offshore wind power plant with 80 SWT-6.0-154 turbines installed.
Download the Environmental Product Declaration for the SWT-6.0-154 (PDF) 

 


 

 

 

 

 

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Source:
Siemens Wind Power
Author:
Edited by Trevor Sievert, Online Editorial Journalist / by Siemens Wind Power Staff
Email:
support.energy@siemens.com
Link:
www.siemens.com/...



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