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gas engines

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The technology group Wärtsilä has been chosen to provide a flexible power generation solution based on three natural gas fueled Wärtsilä 34SG engines to ensure operational flexibility in the power generation system of Michigan State University’s (MSU) East Lansing campus in USA. The solution will help the university to achieve its energy modernisation plans and support the growing need for efficient energy on the campus.

The Engineered Equipment Delivery (EEQ) has been awarded by The Christman Company (TCC), the main contractor for a project to modernise the campus’ power generation system. The Wärtsilä 34SG engines, operating on natural gas have a total power output of 28 MW. The order with Wärtsilä was booked in March 2019.

MSU operates its own power plant to self-generate its electricity supply. The flexibility and efficiency of the medium-speed Wärtsilä34SG engines will help to modernise the campus generation system and increase its overall efficiency. This addition also accommodates the growing demand for electricity on campus. Furthermore, the fast-starting capability of the Wärtsilä engines will provide the balancing support needed to aid in the integration of intermittent solar energy into the system.

The Wärtsilä engines will provide considerable benefits to the modernisation project including improved overall efficiency and reliability while lowering environmental impact and operational costs of the plant.

The Wärtsilä equipment is scheduled for delivery in the beginning of 2020, and the plant is expected to be fully operational by the end of that year.

Building a sustainable future for the energy industry is the basis of Wärtsilä’s Smart Energy vision, which foresees ultimately 100 percent of power generation coming from renewable energy sources. This is enabled by integrating flexible energy generating assets together with intermittent renewables, such as solar and wind. Wärtsilä engines provide the required operational flexibility to make this possible.

Source: Wärtsilä

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Rolls-Royce has signed a contract with EPC contractor TTS Martin, s.r.o. for the supply of a 28 MWe power plant for state-owned utility Martinska teplarenska, a.s. in Slovakia. The plant will be equipped with three Rolls-Royce Bergen B35:40V20AG2 natural gas engines and four hot-water boilers, replacing their entire existing coal operation. As well as electricity, the engines and boilers will supply over 28 MW of heat to most of the 60,000 population of the cities of Martin and Vrutky.

Martinska teplarenska heating plant is currently using mainly low-quality lignite for heat production – which is both low-output and non-ecological. Especially in the conditions prevalent in the Martin region – which is surrounded by mountains and unable to dispel pollution – it is crucial to look for the most effective, most ecological solutions for heat and power production.

The upgrade of the district heating plant is part of Martinska teplarenska’s strategy towards green, sustainable power supplies and the winding-down of their coal operations. They made a strategic decision to invest in gas-fuelled reciprocating engines and gas boilers as a more long-term solution than exhaust gas aftertreatment systems to reduce the emissions given off by coal-fired power plants. The B35:40 gas series meets the increasingly stringent emissions requirements, with exceptionally low emissions of NOx, CO and UHC combined.

The new Martinska teplarenska plant is planned to go into commercial operation at the beginning of 2020, and will be Rolls-Royce’s second power plant using B35:40 Bergen gas engines in Slovakia. The first will under commissioning in May 2019, generating a total of 37 MWe of heat and power for district heating company Teplaren Kosice, a. s.

Rolls-Royce medium-speed engines are designed flexibly for different operating modes, and can be used to generate base-load, peak power or operate in combined cycles. By utilizing hot water from the engines, the plant will be used for district heating in the surrounding area. Heat from the engines can also be used to produce steam in the heat recovery steam generators in order to supply industrial customers if required.

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The technology group Wärtsilä has successfully handed over two new gas engine plants ordered by Centrica, a British multi-national energy and services company. The project is in line with the company’s strategy for de-centralised power production and will ease the integration of intermittent renewable capacity, notably solar and wind power. Wärtsilä was selected to deliver Engineering, Procurement and Construction (EPC) solutions for both sites, located at Brigg and Peterborough in the UK. The orders were booked in January 2017.

The two 50 MW plants will balance the stability of the grid and together will generate enough electricity to supply 100,000 homes. The two-minute fast-starting flexibility of the Wärtsilä solution will support local peaks in demand and the inevitable fluctuations in supply from renewable sources. Operational flexibility provided by Wärtsilä ensures having energy available when the supply from renewables drops.

These two new plants, which will help meet the UK’s changing energy needs and ultimately support the transition to a low carbon future by providing an important back up to renewable generation.

The UK is the leading country in shaping the electricity markets and Centrica is one of its leading operators. Today, renewable power sources provide roughly a quarter of the country’s total generation capacity, compared to five percent in 2006, and the share is increasing all the time. To support this trend, fast-starting, flexible generation is essential.

The two plants will each utilise five Wärtsilä 34SG engines running on natural gas and have now entered commercial operation.

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MAN Energy Solutions has won the order from Oman Liquefied Natural Gas LLC (Oman LNG) to equip a new power plant with nine MAN 51/60 gas engines. The power plant will be located in Qalhat, southeast of Muscat on the Gulf of Oman, and will provide 120 MW of power to the existing LNG facility of Oman LNG. It will replace an existing gas-turbine plant. In fact, this market segment has been completely dominated by gas turbines in the past, so this is a pioneering installation that will show MAN 51/60 gas engine is the ideal fit for this application.

The new power plant needs to be capable of using a variety of differing gas compositions and methane numbers with limited gas conditioning or blending. To master this, MAN Energy Solutions has developed control strategies to ensure that the engines adapt to the prevailing gas configuration in real time for optimum performance.

As fuel, the new plant uses gases derived from the liquefaction process, which can contain high inert components in the fuel and, therefore, may have much lower calorific values. Thanks to their customized design, the engines will nevertheless be able to provide the required power, even at ambient temperatures of up to 48 °C.

Compared to the existing plant, MAN engines will significantly reduce fuel consumption and GHG emissions of Oman LNG’s Power Plant , while the modular-design approach guarantees top-of-the-line overall availability.

Source: MAN Energy Solutions

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Siemens has received the first order for its new high-efficiency, low-emissions E-series 2 MW gas engines for a power plant in the United Kingdom. The company’s new business division, Siemens Engine Business, has signed a contract with the company Hartree Partners, an international energy specialist, for the supply of a plant to its client Knitting Wife Beck in Yorkshire, UK.

It is a turnkey project of supply a 12 MW of installed power for the application “peak shaving” where Siemens Engines Business – from its factory in Zumaia (Spain) -, will supply six SGE-86EM container generatos in its containerized version. This installation is scheduled to be commissioned this year.

Faye Bowser, Business Development Manager for Siemens Distributed Energy Systems, says:: “With the combination of the new 2 MW engines and the experience of Hartree Partners in the energy market, this flexible plant will provide a balanced supply of critical power for the National Grid, improving the integration of renewable energy in the electricity system.”

This new series of Siemens engines offers, among its many advantages, its particular design for an improved performance, for power plants, as well as for combined applications with heat recovery. In addition, this unique solution for gas engines provides the flexibility and speed in start-up and in-load demanded in this application of “peak shaving”.

The new plant will benefit from improved performance in terms of energy efficiency, with lower operating costs and emissions thanks to the best generation technology on the market. The engines use state-of-the-art turbocharging and fuel injection technologies, which boost output, reduce fuel consumption and optimise maintenance costs.

SGE-86EM_genset1

According to Adam Lewis, Head of European Power for Hartree Partners: “Power plants form an important part of our growth strategy and this project shows we are on the right track. The market is as competitive as it has ever been, meaning our creativity, collaboration and efficiency in delivering the engines will be key to success.”

Siemens has owned the Zumaia factory since its acquisition of Guascor engines in 2015, together with the range of Dresser-Rand products. For over 50 years, these engines have been regarded as the toughest on the market on account of their ability to generate heat and power and their reliability for critical, demanding applications. A total of 4,700 engines from the plant in the Basque Country are currently in operation in more than 50 countries throughout the world.

Siemens has developed the engines as part of the new area of its Power and Gas division, Siemens Engine Business, which is focused on overcoming many of the obstacles currently facing the industry. This, together with the company’s significant investments in R&D&I and 50 years of experience, make Siemens Engine Business a world-leading technology supplier for liquid and gas fuel engines for a wide range of applications and sectors. Siemens Engine Business provide gas engines/generators between 150 and 2,065 kW and diesel engines/generators between 184 and 1,324 kW.

Source: Siemens

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The technology group Wärtsilä will deliver a 22.7 MW Smart Power Generation plant under a full Engineering, Procurement & Construction (EPC) contract to Cooperative Energy, a member-owned electric cooperative based in Hattiesburg, Mississippi. The project will consist of two gas-fired Wärtsilä 31SG engines. The plant located in Benndale will provide valuable grid support for renewable integration for the Cooperative Energy system as well as reliability during potential transmission outages caused by hurricanes or other severe weather conditions. The order with Wärtsilä was booked in December 2017.

The selection of the Smart Power Generation solution is advantageous as Cooperative Energy is in the process of installing increasing levels of renewable generation, notably new solar generation into their network. The new Wärtsilä 31SG engine solution will provide the required flexibility for renewable integration. The plant will replace an existing gas turbine power plant.

“As a not-for-profit electric cooperative, our mission is to provide our members with electricity that is both reliable and economical,” said Jim Compton, Cooperative Energy president/CEO. “Wärtsilä’s Smart Power Generation plant, which is a great complement to our current generation sources, enables us to achieve this mission and as a result, we are proud to partner with Wärtsilä on this project.”

“Our track record in being a technology leader in power generation in 177 countries around the world, and in all types of climates and operating conditions, represents a clear indication of the value proposition Wärtsilä can deliver to the market. Cooperative Energy is a forerunner in delivering a modern and flexible electricity supply to its members. Wärtsilä is proud to be a partner in this,” said Mikael Backman, Regional Director, US & Canada, Wärtsilä Energy Solutions.

The equipment will be delivered to the site in 2018, and commercial operations are expected to commence in 2019.

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Rolls-Royce has signed a contract with Tuinbouwbedrijf Marc Pittoors (T.B.M.P) BVBA, for the supply of a 7 MWe combined heat and power plant (CHP). The plant will be powered by two gas-fired gensets based on the new medium-speed Bergen B36:45L6 engine and will provide heat and power to a new tomato greenhouse in Belgium. The contract also includes a service agreement for 10 years. The gensets are scheduled to go into operation early November 2018.

Marc Pittoors will use the generated electricity to power the greenhouse artificial lighting and the heat extracted from exhaust gases and engine cooling systems to heat up the facility. In addition, cleaned engine exhaust gases will be injected into the greenhouse to increase the level of CO2 and boost plant growth.

For the tomato producing company, three factors were crucial in taking this decision: electrical efficiency (best in the current market), expertise (Rolls-Royce developed a gas engine in the early 90s and was the pioneer in lean-burn technology) and optimum heat balance (5 hectares of greenhouse space are illuminated and 3.5 hectares are not).

Rolls-Royce will be supplying the complete CHP plant for this greenhouse, consisting of the power generator sets, the exhaust gas systems including a selective catalytic reduction (SCR) system and heat exchangers, and the electronic control system. In total, the technology achieves efficiency rates of more than 96%. Rolls-Royce has many years of experience with CHP plants and has since 2005 delivered 52 CHP plants with a total installed capacity of 270 MWe for greenhouses in Holland, Belgium, Russia and the UK.

Source: Rolls-Royce

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Siemens has expanded its high efficiency and low emissions engines business with the global launch of its new E-series gas engine with a 2 MW output. This new engine series from Siemens, with improved cylinder capacity, will be manufactured at the company’s Zumaia plant in the Basque Country and is particularly designed to improve efficiency in electricity generation, industrial generation and CHP.

The German multinational has chosen the town of Miñano, in Spain’s Vizcaya region, for the global client launch of this new range of engines, complementing its product portfolio and expanding its offer of distributed energy generation. It additionally adds an extensive range of efficient and environmentally friendly products and solutions, as well as significantly saving distributed energy production resources.

 

By choosing the town of Miñano to present this range to clients around the world, Siemens has demonstrated its commitment to Spain and to Basque industry. These engines will be exported around the globe from the Zumaia plant, while the Miñano R&D centre has established itself as a global reference for research in this field for Siemens.

New business line

This new line of gas engines will be called Siemens Engines and forms part of the company’s Power & Gas division, the specialists in high efficiency and low emissions engines. Siemens has been using the Zumaia factory since 2015 when it acquired Guascor engines and gensets as part of the Dresser-Rand product portfolio. For over 50 years, these engines have been considered as being the most robust on the market, capable of delivering heat and power as well as reliably performing in critical and demanding applications. A total of 4,700 engines manufactured in this Basque factory are currently in operation in over 50 countries around the world.

These engines use latest generation combustion and supercharging technologies, which increase the engine’s capacity, reduce fuel consumption and optimise maintenance costs. They can be driven by a wide range of gases including natural gas, biogas, landfill gas, water treatment gas, syngas and sewerage gas.

New gas engine with a 2 MW output

With this new E-series 2 MW gas engine, Siemens has expanded its portfolio range that covers from 300 kW to 2 MW for gas engines; from 4 to 66 MW for industrial and aeroderivative turbines; and up to 400 MW for heavy duty gas turbines.

The new E-series gas engine is based on the thermodynamic Miller cycle combustion technology that guarantees high efficiency and minimal emissions. With a mechanical efficiency of around 47%, the engine offers a high level of efficiency for both prime power generation and cogeneration applications. This engine has been tested at Siemens’ R&D centre in Miñano and has demonstrated a high level of reliability and efficiency.

The new engine series is the result of in-depth market research to identify key product benefits. In turn, this new gas engine series offers the lowest emissions solution on the market with the smallest footprint at 34.4m<sup>3<sup>.

By generating electricity on site and recovering heat that is typically wasted in a conventional power plant, CHP technology reduces energy costs and carbon emissions. CHP is an application commonly used by large building complexes, such as the one planned for the Siemens Campus in Erlangen, Germany. The Erlangen Campus will create a new urban district and debut as Siemens’ first CO<sub>2<sub>-neutral premises worldwide. In collaboration with Erlangen’s public utility, the campus will operate on a CO<sub>2<sub>-neutral basis, thanks to a state-of-the-art building and its energy technology. It comprises a decentralised energy system that uses a separate cogeneration system based on four new SGE-86EM engines to provide the campus with heating and cooling.

Cutting edge R&D centre in Miñano

Siemens Engines has its own R&D+i centre in Miñano dedicated to the research, innovation and development of new technologies. This is a centre of excellence and an international reference in its sphere of activity, the only one in Spain and one of the most advanced in the world. In addition, this business line employs over 300 people, of which almost 70 are dedicated to R&D. For Siemens, the only way to achieve and maintain its leadership in products and applications is to continuously focus its efforts on research, hence the pioneering R&D centre in Miñano.

With the world launch of this new series of low output engines in Miñano, Siemens has reinforced its support of the Basque Country as one of the autonomous regions that is the most committed to innovation, thanks to the Basque Government’s stimulus of R&D via financial aid and initiatives that foster investment. Unsurprisingly the industry sector in the Basque Country carries important weight in Spain and is positioned as one of the key locations for industry in which to invest and develop. In addition, the Basque County is an attractive region for productive investments, given its easy access to the markets, its quality workforce and good transport connections abroad.

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MAN Diesel & Turbo has been commissioned with the planning and, upon investment approval, the construction of a 30 MW  gas engine power plant by Energie Baden-Württemberg AG (EnBW). The combined heat and power plant (CHP) at the Stuttgart-Gaisburg site will be operated using three MAN type 20V35/44G gas engines and will not only supply electrical power but also an additional 30 MW of district heating.

Commissioning is scheduled for 2018.  “This is our second engine CHP plant in Germany and an important milestone in further establishing the highly efficient gas engine technology”, says Wayne Jones, Member of the Executive Board for Global Sales and After Sales at MAN Diesel & Turbo. “The new plant, consisting of boilers, heat storage and gas engines, will serve to replace a mainly coal-fired thermal power plant at the same location and has a particularly high fuel utilisation rate due to its overall efficiency of more than 85% (without tolerance). Switching from coal to gas will reduce CO2 greenhouse gas emissions by up to 60,000 tonnes per year.”MAN2

With an increasing share of renewable energies in electricity production, flexible gas engine power plants with cogeneration are the perfect solution for security of supply, efficiency and the reduction of emissions. The combination of gas engines with CHP and district heating storage makes it possible to decouple electricity and district heating supply, meaning that the operator can respond flexibly to pricing signals. “We are investing in climate protection and security of supply,” states Diana van den Bergh, Project Manager at EnBW. “The new gas engine power plant will significantly reduce site emissions and contribute to improving the air quality in Stuttgart. The site in Gaisburg has been generating heat and electricity for the Stuttgart area for over 60 years. The modernisation will ensure that the site can fulfil these tasks even more efficiently and environmentally friendly in future.” Large gas engines are particularly well-suited when it comes to the supply of district heating and they are superior to other generation technologies of this plant size. This was confirmed in a recent study by the University of Duisburg.

 

Source: MAN Diesel&Turbo

 

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In Ressano Garcia, a new power generation plant designed to provide electrical power supply for Mozambique’s rapidly expanding economy, officially went into operation on February 19th. Core equipment includes thirteen 20-cylinder gas-based Rolls-Royce engines, which have a total capacity of 120 MW. The medium speed engines are of type B35:40V20AG2, supplied by Bergen Engines, a Rolls-Royce Power Systems subsidiary. This is the biggest medium speed power plant powered by Rolls-Royce.

The 100 MW plant is located close to the border between Mozambique and South Africa just outside the town of Ressano Garcia. It is owned and operated by the independent power producer Gigawatt Mozambique, and will supply electrical power to the national grid through a power purchase agreement with the state-owned utility, Electricidade de Mozambique (EDM).

In addition to the core engines, Rolls-Royce has supplied engine accessories and support including technical assistance with the construction of the power plant. A 15 year long-term service agreement (LTSA) has been signed with the TSK/EEN Joint Venture company, which will operate and maintain the 100 MW power plant. The LTSA covers training of operating and maintenance staff, supervision of major maintenance, spare parts supply and technical support.

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