Now with a power output of 57 MW in simple cycle Source: Siemens Now with a power output of 57 MW in simple cycle Source: Siemens Close

"The most powerful SGT-800 to date is aimed primarily at industrial power producers and oil and gas companies that have a particularly high energy demand," remarks Nick Muntz, CEO of the Siemens Distributed Generation Business Unit. "We're thus helping meet the rising global demand for distributed power generation and offering a high-end product for such applications."

The 57 MW upgrade follows the design philosophy of taking small evolutionary fine tuning steps, while staying close to the commercially proven and reliable design of the SGT-800 industrial gas turbine. Only improvements of gas turbine parts using Siemens existing and mature core engine technologies have been made. The improved performance of the 57 MW rating has also been achieved through improved gear box and outlet casing/diffuser efficiencies. A reduced footprint of the gas turbine package has been achieved thanks to a shorter design, as well as a higher degree of preassembly for shorter installation time at site.

To date, more than 325 SGT-800 turbines have been sold worldwide. The Asia Pacific region is an especially important market for the machine, with more than 100 units sold, 71 of them in Thailand alone. Over the last five years the SGT-800 has been the market-leading gas turbine for combined cycle applications in its power range. The installed SGT-800 fleet has currently reached more than five million operating hours. The turbine, which was originally known under the product name GTX100, began development in 1994 and was launched in 1997.

Siemens will present the SGT-800 upgrade at Booth W2 at the Power-Gen Asia trade show in Bangkok from September 19 to 21.

Source: Siemens Gamesa Source: Siemens Gamesa Close

The switch to the D8 platform as the technical solution for the projects being developed by Eoliennes en Mer Iles d'Yeu et de Noirmoutier and Eoliennes en Mer Dieppe Le Tréport, has been approved by the French Minister for the Ecological and Inclusive Transition after review by the Energy Regulation Commission (CRE). The change for the project developed by Ailes Marines in the bay of Saint-Brieuc has also been communicated to the government and is still under the approval process.

Siemens Gamesa further confirms that the switch has no impact on Adwen's plans to build two factories in Le Havre, one for nacelles and one for blades, and to collaborate in the development of a local supply chain in France. The company also expects to create a minimum of 750 new jobs.

"This decision is a crucial milestone for the French offshore wind industry. Siemens Gamesa will deliver the most popular offshore wind platform and will bring its unmatched experience working in offshore projects. I am convinced this will help the industry take-off and I am happy to see that all parties involved, including our customers and the French State, acknowledge the benefits of installing the D8 in these projects", explained Michael Hannibal, Siemens Gamesa CEO for Offshore.

The D8 8-MW turbine is based on the existing Siemens Gamesa offshore direct drive platform which has an excellent track record. More than 200 direct drive wind turbines in the 6-8- MW-class have already been installed and commissioned in offshore wind farms.

The energy production of one Siemens Gamesa 8-MW machine is sufficient to supply approximately 8,000 European households with electricity. The power supplied on Dieppe-Le Tréport and Yeu-Noirmoutier will be sufficient to cover the annual electricity consumption of close to one million households.

Asnæs Power Station moving from coal to wood chips Source: DONG Energy Asnæs Power Station moving from coal to wood chips Source: DONG Energy Close

"It is an absolutely unique project, for it is not only about building a power station as such but also about pushing through the two companies’ philosophy and vision of achieving cleaner energy," said Eva Netusilová, the project technical manager from Doosan Skoda Power.

DONG Energy has decided to phase out coal completely by 2023; in this, it will also be helped by the highly efficient turbine generator set from Doosan Skoda Power. The annual production of CO2 will be reduced by a total of 800,000 tonnes, which is equivalent to the annual production of exhaust gases from 400,000 automobiles.

The scope of the project includes the supply of an innovative double-casing extraction turbine with a generator, auxiliaries and complete equipment of the machine hall with a maximum capacity of 30 MW.

"The innovative nature of the entire installation consists in its technical design that makes it possible to disconnect one of the two turbine casings, thereby providing a broad range of uses for the installation," explains Tomás Winkler, project manager.

According to DONG Energy, the 20-year steam and district heating contract involves a conversion of Asnæs Power Station and the connection of a new wood chip-fired plant to the power station's existing installations and systems. This will enable Asnæs Power Station to supply steam, district heating and power from sustainable wood chips. Kalundborg is thereby retaining the advantages of the symbiosis between power station production, steam supply and district heating.

The wood chips for Asnæs Power Station will primarily come from by-products, such as branches, twigs and thinning trees, and all suppliers must ensure that the wood chips come from sustainable forestry where the forests are replanted, and biodiversity is protected.

The conversion also means that the energy consumption at Novo Nordisk's largest production unit in Kalundborg will become carbon-neutral, and as a result, the total CO2 emissions from Novo Nordisk's global production will be reduced by as much as 45 per cent.

The project was launched by signing the contract for work in late summer. The third quarter of 2018 will see the first deliveries to the site, to be followed by installation work with a view to completing the mechanical part of the installation in early 2019. The handover of the work to the customer is planned for the end of 2019.

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