Hydrogen empowers the energy transition. The family has expanded to 6Fs and 9Fs. The newest stars of its H-class lineup are its HA models. The MXL upgrade allows GT26 owners to benefit from new optimizations to the compressor, and coating and cooling improvements in the HP and LP turbines. It will consist of two generating blocks, each equipped with a 9HA.02 gas turbine, generator, and HRSG from GE. Siemens Energy, 2020 - 2022, Skip to global navigation (country selector, search). In 2015, GE introduced a DLN2.6+ combustion system for new and existing 7F gas turbines, and in May 2018 it announced a flex upgrade solution, which combines the DLN 2.6+ combustor with axial-fuel-staging technology.

Flexible service concepts for on-site or off-site maintenance with possibility for 48-hour core engine exchange will maximize the availability even further. Designed for flexible operation, it is perfectly suited for base and intermediate load as well as grid support. A modular package that enables easy transportation and straightforward installation on site. ErK,+PBGR With this gas turbine you will comply with both global and regional regulations. GEs largest HA turbine to datethe 571-MW 9HA.02is shipped to Southern Power Generation Sdn Bhd (SPG) for its new Track 4A plant, a 1,440-MW combined cycle power plant in Pasir Gudang, Johor, Malaysia.

It also had an efficiency of 56%, which was 2% to 3% more than its competitors. Our service offerings for gas turbines include: Long Term Programs (LTP), overhaul services, field services, parts, lease units and many more. cogeneration power turbine steam generator plant 300mw dtec larger GE engineers reconfigured the J79 turbojet, an aircraft machine that was first flown in 1955, as the LM1500, a turbine with industrial and marine uses. Only while stock lasts.

On-site maintenance or modular overhaul, without the need for special workshop maintenance, is available for both package solutions. The first LM2500, derived from the CF6-6 flight engine, powers the U.S. Navys GTS Adm. Callaghan cargo ship. A 165-MW GT24 prototype was installed at the Gilbert power plant in New Jersey in 1993. The so-called kilowatt machines include twin intercoolers and recuperators. Performance tests show a full-load efficiency of 50%.

GE notes the project also marked its first steam injection system application. The first ABB (later Alstom, and then GE) GT13Ea 147.9-MW unitis successfully commissioned at the Hemweg facility, owned and operated by Dutch utility UNA, in the Netherlands. projects plant power asir turbine mw gas limited saudi arabia contracting national company BBC engineers of the two-shaft Beznau turbine squeezed every bit of efficiency from the Brayton cycle with limited cycle pressure ratios and cycle maximum temperatures, wrote S. Can Glen in his February 2019-released bookGas Turbines for Electric Power Generation. However, the 9HA.02 uniquely incorporates an evolutionary improvement to the premixing fuel nozzles, a technology GE developed in collaboration with the U.S. Department of Energy to deliver a step-change improvement in performance, emissions, and fuel flexibility, GE told POWER. Nevertheless, GE retained all GT24 services contracts. In June 2018, PSEG Power, a subsidiary of PSEG, begins commercial operation of its Sewaren 7 combined cycle power plant in New Jersey. The 540-MW unit, a 7HA.02, is the first dual-fuel H-class turbine in the world. We are first in your inbox with the most important news in the industry―keeping you smarter and one-step ahead in this ever-changing and competitive market. The first LM1500 is a 13.3-MW turbine installed at the Millstone nuclear plant in Connecticut. Easy on-site maintenance inside the package, all inspections and overhauls are performed within the enclosure.

GE unveils the 7HA.03, the newest model in its, 2014-launched high efficiency air-cooled (HA) gas turbine line, . By staying here you are agreeing to our use of cookies. Another 1,150 6B turbines are installed across the world, powering energy production facilities and industrial applications in segments such as petrochemical, oil and gas exploration, and cement production, GE noted. 1 0 obj

% Track 4A is POWERs 2021 Plant of the Year. A small footprint and the possibility of a 48-hour core engine exchange.

All SGT-800 units are equippedwith a robust dual-fuel Dry Low Emission (DLE) combustion system to minimizeNO and CO emissions. Sonal Patel is a POWER senior associate editor. For the single-lift package, off-site maintenance with 48-hour core engine exchange is optionally available. And Siemens Energy has extensive knowledge in working with it. While the MXL concept began as a standard feature of the newer GT13E2 fleet, Alstom also installed the first MXL2 upgrade for its GT13E2 gas turbine at the South Humber Bank Power Station in the UK in 2012. NEMA MG-1, IEEE 115, ANSI C50.12, BS 4999, AVR: ABB UNITROL 1010 or 1020 as standard, others (e.g.

For quick and easy inspections, the burners can be easily removed for maintenance. cogeneration power turbine steam generator plant 300mw dtec larger oil jacking liquid fuel gas mitten manufacturing power generation system skid enlarge It also extends the life of equipment. * Dimensions and configuration depending on rating. The technology lowered the units NOx emissions to 32 parts per million (ppm). Standard options for hot and cold climates are available for operation at extreme ambient temperatures. A strong performer with excellent flexibility and reliability, the SGT-800 is popular all over the world. GE begins commercial operation of the first two 9HA.02 turbinesone of the largest gas-fired power generating models in the worldat the 1.4-GW Track 4A power plant in southern Malaysia. Within our standard plant configuration we can offer a high degree of scope flexibility.

MHI also dropped development of H technology and began development of the J-class, whose combustor technology is based on the steam cooling system used in the G-class.

By staying here you are agreeing to our use of cookies. No intake or exhaust loss.

Concentrate on your core business while we manage power, steam, heating, and cooling Find out more about our highly efficient products, solutions and services for fossil power plants. Research efforts yield the DLN-1 solution for E-class turbines, and the DLN-2 solution for F-class turbines; the latter has also been applied to EC and H-class machines. 2022 Access Intelligence, LLC - All Rights Reserved. Were looking at the LP [low-pressure] turbine, the compressor, and the combustor, Amit Kulkarni, general manager for the F/H-class product line organization within GE Power Service, told POWER in March. Another 27 units of this type were put into operation before market demands push the company to develop gas turbines with higher efficiencies and NOx emissions below 25 ppm. The relaunched model is first installed at the Huaneng Guilin Gas Distributed Energy Project. The first commercial operation of first-generation BBC-developed lean dry low-NOx (DLN) premix combustion begins at a modified GT13D unit at the 420-MW combined cycle Lausward plant in Dusseldorf, Germany. The second block of three units reached commercial operation at the end of March 2018. Exelons Wolf Hollow and Colorado Bend projects in Texas debut the 7HA.02 turbine. Customer:Amata B.Grimm Power Ltd. and B.Grimm Power Ltd.

The dual-fuel capability enables the use of ULSD in the event of a shortfall in natural gas supply, increasing the plants dependability and reliability. Find brochures, technical papers and more in our download section, or contact us directly for specific inquiries, Gas turbine portfolio brochure (interactive), Hydrogen power plants service & solutions, Clean power boost in Central Europe: SGT-800 combined heat and power plants, Decentralized energy generation in Thailand: SGT-800 combined cycle power plants. GEs launch of the H-System, however, heated up competition among major manufacturers in the large gas turbine space, who doubled down on efforts to boost gas turbine efficiency. It often provided an electrical output of 5,000 kW, and between July 1949 and July 1952 the average output was 4,200 kW. The GE Frame 3 unit reportedly had an efficiency of about 17%. While GE began developing and testing dry low-NOx (DLN) combustion systems in the 1970s, it introduces its first commercial DLN combustion systems for gas and heavy-duty gas turbines in 1991. oil jacking liquid fuel gas mitten manufacturing power generation system skid enlarge GEs first gas turbine, a 3.5-MW machine that is installed at a separate building attached to a 51-MW steam unit at Oklahoma Gas and Electric Co.s Belle Isle Station, begins delivering power. According to the 7F Users Group, Chesterfield 7 marked the beginning of the golden era for gas turbine technology (which ended in 2015, according to some industry observers). Notably, however, in addition to generating power, its exhaust gas was also used to heat feedwater for the conventional steam plantmaking it the nations first gas turbine used in combined cycle configuration. Your benefit? The SGT-800 industrial gas turbine combines a simple robust design for high reliability and easy maintenance with high efficiency and low emissions. The end result was a whole power plant instead of a compact engine in a skid..

TV SD has developed a guideline for defining the H2-Readiness of power plants and is offering an independent certification to original equipment manufacturers and engineering, procurement, and construction (EPC) companies.

To mark the 40th anniversary of the installment, GE in 2018 also unveiled a 6B fleet repowering solution as part of an effort to continue investing in its mature fleets to keep them competitive. (Image: Configuration depending on rating). GE still offers the turbine model today. The plant consists of two 25-MW BBC Type 12 turbines, a 25-MW steam turbine, and a HRSG with supplementary firing. F technology was initially designed in the 1980s, revealed that Alstom had clearly performed below our expectations., 7HA.03 will have a single-cycle net output of 430 MW, The POWER Interview: What Drove the Gas Turbine Technology Leap at GE Over the Past 70 Years, Financial and Gas Turbine Blade Troubles Plague GE Power, History of Power: The Evolution of the Electric Generation Industry, History of Power: Duke Energys Century-Old Legacy, It's Not About Base Load Performance Anymore, From the Lab to the Field: Making the Most of Your Microgrid, "The use of advanced simulation in the design of the Xe-100 Advanced Reactor Power Plant". Editors note: This article will be updated to reflect new milestones. GE jointly developed the 212-MW turbine with Alstom. Both plants are configured as 21 multi-shaft with total plant output greater than 1,000 MW at each site. Both are available for 50 Hz and 60 Hz markets. Reliability has been a top priority from day one of the development of the SGT-800. endobj The gas turbine features a robust dual-fuel DLE system for clean combustion, without the complexity of burner staging.

3 0 obj endobj A key option is to replace conventional natural gas and diesel fuels with green biofuels in gas turbines. <> Package dimensions include the AC generator but exclude inlet filter housing and exhaust stack. On July 29, 1949, at 2:15 p.m., General Electrics (GEs) first gas turbine at the Belle Isle Station, GE Powers financials spun out further on a dismal trajectory during the fourth quarter of 2018, plagued by, POWER magazine was launched in 1882, just as the world was beginning to grasp the implications of a. Du`39c8a;=hm*zdesv$F+}{?96Yxg"$&S(Ot+I_eUu[C3?*_r]Fm*?qd+lI1e;F]` LM6000, a turbine that is derived from GEs CF6-80C2 high bypass turbofan aircraft engine. The first block of three units reached commercial operation in September 2017. Learn more. %PDF-1.4 The combustor and burner designs offer world-class emission performance over a wide load range with single-digit CO emission levels and capable of down to 9 ppm NOx emissions. The excellent fuel flexibility allows e.g. GE says this model leads the industry for cogeneration and combined cycle efficiency for gas turbines with an output range of less than 100 MW. We can offer a range of plant equipment from gas turbine and steam turbine only, to full turnkey plant: Our SGT-800-based power plants offer the flexibility required in today's volatile energy landscape: quick starts, fast load following and low emissions on low plant part-load operation. The excellent efficiency and steam-raising capability of the SGT-800 gas turbine make it outstanding in cogeneration also called combined heat and power (CHP) and combined cycle installations. 4 0 obj gas turbine, gearbox and mechanical auxiliary systems on a single base frame) with the generator on the foundation.

Scope: 18 x SGT-800 gas turbines, The single-shaft engine is composed of a 2-bearing rotor with a 15-stage compressor and a 3-stage turbine. The divestment included, in general, Alstoms GT26 and and J-class GT36 gas turbine technology and some of the GT26 services contracts, all which were sold to Ansaldo Energia. The turbines also incorporate the benefits of the new digital era where integrated software and analytics drive greater performance and efficiency. The original design had twin-shaft HPT blades and an ISO power rating of 17.9 MW and a 35.8% simple cycle thermal efficiency. ET) , to start a free trial, get pricing information, order a reprint, or post an article link on your website. Please contact clientservices@accessintel.com or call 888-707-5814 (M Th 9 am 5:30 pm and F 9 am 3 pm. LM2500 turbines are still widely in use today. GE introduces the MS7001B, the first Frame 7 B-class turbine, rated at 51.8 MW. The simple cycle, two-shaft, high-performance gas turbine has a capacity of up to 36.6 MW and an efficiency of 41.9% at the ISO rating point. 1939The Worlds First Industrial Gas Turbine Starts Commercial Operation. Below are some selected examples of applications where ABB generators have been used: Submit your inquiry and we will contact you.

Earlier this year, the company said it completed the first installation of a new gas-fired power plant technology that can reduce NOx to 5 ppm. Weight with generator on foundation. Ansaldo today offers the MXL2 upgrade for the GT26, and GE packaged the upgrade in a new offering, the GT26 HE, which it rolled out in 2019. The guideline for obtaining certification was developed in collaboration with subject matter experts from Siemens Energy. The single-lift package is a preassembled unit. 2) and dual fuel (gas and liquid), NO emissions at 15% O on fuel gas (with DLE), * 9 ppmvd on gas available with conditioned operation parameters. ABB generators for steam and gas turbines are found in gas-, steam- and combined cycle plants.

Despite its low efficiency (of about 32.5%), the unit operates at baseload from 1960 to 1975, with an average of 6,000 hours per year, but it soon becomes uneconomical to operate, mainly owing to fuel costs and better efficiencies at coal plants, which came online in Europe from 1965 onward, and is thereafter used mostly for peaking duty. In the aftermath of the Great Northeast Blackout of November 1965, regulatory mandates force utilities to increase system reserve margins by installing a certain percentage of smaller, localized, fast-start generating units with black-start capabilities. To gain some clout in the surging distributed energy market, GE relaunches the 6F.01 turbine, outfitting it with advanced materials and technologies adopted from GEs H- and F-class gas turbines. The first F-class machine, a 147-MW 7F with a TIT of 2,300F, began operating at Virginia Electric & Power Co.s (VEPCO) Chesterfield Power Station on June 6, 1990. ** Dimensions depending on configuration.

But as Gulen notes in his February 2019 book, while the H-System was an unqualified success from a technology perspective, it was a commercial failure. Single-crystal, hot-gas-path components with advanced thermal barrier coatings added to the cost and complexity with longer-than-typical major maintenance outages, he notes. The low gas supply pressure requirement (2731 bar[a] / 390450 psi[a]) reduces the need for a gas compressor on site. 1949Americas First Power Generating Gas Turbine.

If you think of upgrades that weve done in the past, theyve been what I would say, piecemeal, either a hot-gas-path AGP [advanced gas path] that you may be aware of, a combustor, or a compressor. for high content of inert gases, hydrogen and heavy hydrocarbons in the gas fuel composition without any maintenance impact. While the prototype was initially used for simple cycle testing before it was converted to combined cycle in 1992, sources widely report that it had an efficiency of 45.2% and a total power output of 214 MW in combined cycle mode (and 150 MW and 34.5% in simple cycle mode). As part of the Alstom acquisition, however, GE agreed with the European Commission to divest a part of Alstoms gas turbine portfolio to preserve competitiveness. Presented as a revolutionary solution, it was the most compact model available on the market and the only one to use sequential combustion with a particularly high compression ratio, he notes. Our comprehensive portfolio of services provides low life cycle cost and optimum performance throughout the turbines life cycle: Long Term Programs (LTP), overhaul service, field service, spare parts, service exchange, remote diagnostic service, and modernization and upgrades. GE notes F technology was initially designed in the 1980s, when it represented a quantum leap in the operating temperatures, cooling technology and aerothermal performance of heavy-duty gas turbines. Since GE introduced the the MS7001F in 1987, a design driven by the demand for higher efficiency plants with lower emissions and lower cost (per kW/hour), the technology has been scaled upward and downward, and it is today available in outputs ranging from 51 MW for a 6F.01 simple cycle plant to more than 1,000 MW for a 31 7F.05-based combined cycle plant.

K@{{:bQ.9$n u8j1t,QP[`AgKxY{y8H|y |z3 The Neuchtel Gas Turbine goes into commercial operation as a standby unit with an efficiency of 17.4%.

The 9HA.02, rated at 575 MW under ISO conditions, pushes net efficiency beyond 64% combined cycle efficiency, and boosts GEs efforts to reach 65% by the early 2020s. 2021First 9HA.02 Turbines Begin Commercial Operation. GE introduces the GT26 High Efficiency (HE) upgrade, blending GE and Alstom technology, to cater to high renewables penetration. The company also announces that Florida Power and Lights (FPLs) Dania BeachClean Energy Centerwill be the first to showcase two of the worlds largest, most efficient, and flexible gas turbines for the 60-Hz market when they begin commercial operation in 2022. Whether time-based or cycle-based, we offer flexible standardized maintenance concepts. It achieves over 58 percent efficiency in 21 combined-cycle arrangement, and more than 80 percent efficiency in cogeneration operation, it says. News & Technology for the Global Energy Industry.

The company also announces that Florida Power and Lights (FPLs) Dania BeachClean Energy Centerwill be the first to showcase two of the worlds largest, most efficient, and flexible gas turbines for the 60-Hz market when they begin commercial operation in 2022. The configuration is designed to offset the high investment cost of the LM2500 gas turbines. The first 80.7-MW Frame 9B machine is installed by EDF near Paris, for mainly peaking duty. Flexibility and efficiency are key for your power plant solutions. The project is successfully commissioned despite delays posed by the deadly COVID-19 pandemic.

LM2500 turbines are still widely in use today. Ansaldo today offers the MXL2 upgrade for the GT26, and GE packaged the upgrade in a new offering, the GT26 HE, which it rolled out in 2019. More than 1,500 F-class machines have been installed worldwide, with applications that range from power generation, combined heat and power, and mechanical drive applications, in industries as diverse as aluminum smelting, refineries, and food processing. Combined cycle performance is based on three pressure non-reheat (3PNRH) bottoming cycle. This enables plant optimization to suit your specific requirements, such as island-mode operation or multiple power blocks. ABB's website uses cookies. This maintainability combined with the turbines robust single-shaft arrangement, long time between overhauls and long lifetime ensures its high operational availability. ABB introduces the 166-MW GT13E2 gas turbine to the market.

SGT-A35 (Industrial RB211) | 2737 / 2838 MW. GE today offers the MXL2 upgrade in its GT13E2 turbines, which it acquired from Alstom in 2015. It will meet your requirements for efficiency, reliability and environmental compatibility, offering low lifecycle costs and the best possible return on investment. This package is available in two configurations: Either as a single-lift driver unit (i.e. The FS3 had already been tested in U.S. maritime vessels and in locomotives, noted Ronald Hunt, a consulting engineer who is part of the Institution of Diesel and Gas Turbine Engineers (IDGTE), in his April 2019-released book The Development and History of the Gas Turbine for Power Generation, Industrial, and Marine Purposes. All performance values are based on standard design, ISO ambient conditions and natural gas fuel. A 130-MW 2x Frame 6C (6F.01) CCGT is debuted in Turkey. Designed for frequent starts and stops, they are the perfect match to back up renewable power sources in the grid. The mechanical auxiliary systems are mounted on a separate skid placed close to the gas turbine inside the enclosure. As the American Society of Mechanical Engineers (ASME) notes, kilowatt machines include twin intercoolers and recuperators, operates at baseload from 1960 to 1975, with an average of 6,000 hours per year. GE unveils the TM2500, a trailer-mounted portable aeroderivativea power plant on wheels., 1997F-Class Competition Yields the GT24/GT26. A 159-MW 7F with a 2,350F TIT begins operating at another Chesterfield unit (Chesterfield 8) in Virginia, and the first 9F begins operating in simple cycle mode at an EDF site in northern Paris. But GE was hurt by a market clearly dramatically lower than what we underwrote in that business, Flannery said. Defense Daily subscriber and registered users, please log in here to access the content. Jeff Immelt, who was then GEs CEO, said GEs acquisition of Alstoms complementary technology, global capability, installed base, and talent meant immediate benefits for customers, including for current projects using GE 7HA gas turbines and Alstoms HRSGs and steam turbines. GE installs three 5-MW gas turbine power plants in Rutland, Vermont, based on a two-shaft derivative of the Frame 3. These flexible solutions have been developed in order to satisfy your individual market-specific requirements. Whatever the application, the SGT-800 meets your requirements for efficiency, reliability and environmental compatibility. To contact us, simply fill out our contact form. In 1970, an aluminum smelter in Bahrain employs a Frame 5 unit with 24-MW rating. The gas turbine is arranged with its axis horizontal. IP20, IP23, (WP I), IPW 24, (WP II), IP54, IP55, IP56, Open Air-Cooled (OAC): IC01 (WP II), IC06 (WP I) (WP II). As we move away from fossil fuels, green fuel alternatives are needed to balance the volatile nature of solar and wind.

<>/ProcSet[/PDF/Text]/Font<>>> To this day, the U.S. Navy continues to select the LM2500 to power the latest surface combatants in its fleet, GE says. The turbine is designed by Brown Boveri & Cie (BBC), a company that was established in 1891 in Baden, Switzerland, but merged with ASEA AB in 1988 to form ABB (ASEA Brown Boveri), and then sold as part of ABBs power generation business to Alstom in 2000. The 50-MW 6F.01 at that project boasts a combined cycle efficiency of 57% and fuel utilization rate of 81.15%. Explore fascinating stories of how Siemens Energy technology and people are making sustainable, reliable, and affordable energy possible. As Dietrich Eckardt notes in his 2014-published bookGas Turbine Powerhouse,BBC presented the concept in 1978 based on theoretical insight that effective low-NOx combustion required the separation of fuel/air mixing from the combustion process and that combustion itself should take place under lean conditions. The plant is designed to operate on two types of fuel, including natural gas and ultra-low-sulphur distillate (ULSD) fuel oil. P[42(( ]j$'US+,)(U'|p|Si9dIucK [ fm(4sZupyO"|V322"M+nHTg7R;4SqH8S-+}m3LByLL0(ZC[WZ='

turbine 60kw turbines 50kw GE acquired Alstoms power business in 2015. It is rated at 32 MW at 3,600 rpm. In 1991, it launches the GT13E2. The classic package consists of preassembled modules. Or as a complete skid-mounted train (including the generator) for 3-point mount installations, e.g. Following regulatory approval of a $10.6 billion transaction in more than 20 countries and regions, GEs acquisition of Alstoms energy activities is completed in November 2015. The GT13E2 2017 delivers 210 MW with 38% simple cycle efficiency and more than 55% combined cycle efficiency, it says. So, its the most-advanced upgrade for this model, and it blends technologies from both F as well as our HA class units. and 9 x SST-400 steam turbines, Nine power plants, located in industrial parks within an approximately 200 km radius of Bangkok, are supplying power, steam and chilled water to industrial users, Scope: 3 x SGT-800 gas turbines, and 1 x SST-900 steam turbine, Feeds heat-driven district heating and cooling system in Gothenburg, Scope: 2 x SGT-800 gas turbines, and 1 x SST-900 steam turbine, High efficiency because the heat generated by the solar field decreases the already low emissions of a combined cycle power plant, Customer: A joint venture between APA Group and AGL Energy Limited, Scope: 4 x SGT-800 gas turbines, and 2 x SST-400 steam turbines, Supplies eco-friendly electricity to local mines and to people living in the region. BBCs first GT11 gas turbine is ignited at Rainbow Lake in Canada in 1970. Extension phase: 14 x SGT-800 gas turbines, 11 x SST-400 steam turbines with condensers, 22 x heat recovery steam generators (HRSG) and SPPA-T3000 control system, Initial phase: Simple cycle operation for fast generation of electricity, Extension phase: Expansion of existing plants, including conversion to combined cycle operation, adding more than one GW to the grid, Customer: Holland Board of Public Works (HBPW), Scope: 2x SGT-800 gas turbines, 1x SST-400 steam turbine and SPPA-T3000 control system, Supplies electricity to the grid and surplus heat from the circulating water system is used in the city center snowmelt system. 20176F.01 Relaunch for Distributed Market. GE unveils the 7HA.03, the newest model in its2014-launched high efficiency air-cooled (HA) gas turbine line. Typical examples shown. GE expands the LM fleet to include the LM6000, a turbine that is derived from GEs CF6-80C2 high bypass turbofan aircraft engine. The SGT-800 features a compact, modular, maintenance-friendly design. Alstom rolls out its GT26 MXL2 advanced gas turbine upgrade at Castejon power plant in Spain.

The certification increases investment security for utilities. Designed to reduce environmental impact, the SGT-800 gas turbine will help you meet even the strictest emission regulations worldwide. ABB's website uses cookies.

Block 1 has achieved a gross combined cycle efficiency level of 63.08%, which sets another world record for highest gross efficiency. 1953First Commercial Intercooled Recuperated Gas Turbine with Reheat, Technology breakthroughs in cycle pressure ratio, materials, and coatings that follow the Neuchtel unit enable BBC to boost turbine inlet temperatures to 1,200F, and in 1953, the company starts up the 27-MW Beznau II plant, boosting thermal efficiency of the two-unit 40-MW Beznau power plant in Switzerland to 30%.