Metso wins order for biomass CHP in Germany

Metso is to supply Heizkraftwerk Zwickau Süd with a modularized biomass power plant for CHP production in Zwickau, Germany.

The CHP plant will be delivered by the Metso-Wärtsilä joint venture MW Power and encompasses a complete turnkey solution including not only the entire plant but also all on-site installations and training. The value of the order is about €20 million (US$28 million) and the plant will connect to the grid in late 2012.

Forest residues and wood based landscaping material will be used for fuelling. When it has been brought into operation, the plant will produce up to 10 MW of district heat for the Zwickau municipality area and up to 5 MW of electricity for the grid.

The plant’s commercial viability is boosted by the German Erneuerbare-Energien-Gesetz (EEG), a law that provides fixed feed-in tariffs for electricity produced from renewable sources and secures the payback period of the investment.

This will be MW Power’s eighth delivery of such a complete modularized CHP plant to Germany.

RED launches New Jersey CHP project

Recycled Energy Development (RED) and National Gypsum Company (NGC) are to develop a CHP project at NGC’s wallboard production facility in Burlington, New Jersey, US.

The project will produce about 3.4 MW of clean electricity and deliver more than 210,000 MMBtu (62 GWh) of thermal energy, resulting in an overall efficiency of greater than 90%.

RED received a US$1.36 million grant from the state to support the CHP project.

Funding was made available through the Clean Energy Solutions ARRA CHP Program, a grant programme supported by the American Recovery and Reinvestment Act of 2009 and jointly developed by the New Jersey Economic Development Authority (EDA) and the New Jersey Board of Public Utilities (BPU). Grants provided through the programme are to be used for CHP facility installation and upgrade projects in New Jersey.

‘The NGC project will increase industrial productivity, generate clean power, and reduce carbon dioxide emissions,’ said Sean Casten, RED’s president and CEO.

German CHP microturbine plant order

Greenvironment has won an order from BioEnergie Zehnebeck to build a 400 kW microturbine plant at a dairy farm in Gramzow, near Prenzlau in Germany.

Manure will be fed into the biogas plant to produce gas for heat and electricity generation, with the Greenvironment CHP plant using microturbine technology. To achieve a better utilization of the plant, leftover food from the dairy farming and silage can also be added.

In this biogas project, two coupled 200 kW microturbines will be used, with the generated electricity sold to the local utility’s grid. The hot exhaust stream of the microturbine is used to heat a fermenter and nearby buildings.

As well as microturbines, the new system includes a technology container consisting of a control cabinet, a gas conditioning module (45 kW) and a heat supply unit (450 kW thermal output at 70–90°C). All required permits are in place and commissioning is scheduled for December 2011.

Canadian cardboard maker plans 140 MW cogen plant

Atlantic Packaging, a cardboard manufacturer based in Toronto, Canada, is to submit a formal proposal to the Ontario Power Authority in September for building and operating a 140 MW cogeneration power plant next to its two paper mills.

The project would be combined with a smaller one proposed by Northland Power for the waterfront Redpath Sugar property. Together, the two plants would add 185 MW to the city’s power generation capacity.

The Atlantic proposal calls for a 2800 m2 facility, with a 30-metre-high emissions stack on a vacant lot next to the company’s main paper mill and within 1 km of a second mill. Together, the two mills produce 1800 tonnes of cardboard a day from recycled material.

Heat from the proposed plant would be used in the production process, generating steam for removing excess water during the pulping phase.

Two new CHP units at Stevens Institute in the United States

Massachusetts-based American DG Energy has started up another two energy systems at Stevens Institute of Technology, a technological university, in Hoboken, New Jersey, US. The addition of these two 75 kW CHP systems at Stevens’ central plant brings the total number of energy systems the company owns and operates at the university to nine.

American DG Energy produces clean energy in the form of electricity, space heating and cooling with six small-scale CHP systems and three natural gas chiller cooling systems at five separate buildings on Stevens’ campus.

American DG Energy sells the energy produced from an onsite energy system to an individual property as an alternative to the outright sale of energy equipment. ‘On-Site Utility’ customers only pay for the energy produced by the system and receive a guaranteed discount rate on the price of the energy.

As a result, Stevens pays only for the energy it uses and avoids all capital, installation and operating costs, including service, maintenance and repair.

Rolls-Royce wins CHP orders across Europe

Rolls-Royce has won new orders totalling over £22 million (US$ million) for its Bergen reciprocating engines, which will be used to provide electricity and heat for industrial uses in Russia, Spain and Holland.

Eight Bergen gas engines and five diesel engines will together produce more than 80 MW of energy for: a diamond mine in Russia; a major wood products plant, food production factories and a paper mill in Spain; and greenhouses in Holland.

In Russia, five B32:40V12 liquid fuel diesel engines, each producing 5.2 MW will provide power to Russian power supply company NG Energo for pumping, refining and ancillary services at the Lukoil diamond mine in the Arkhangelsk region.

Spanish businesses ordering engines include the Ghesa Papertech paper mill in Tudela, Navarra (one BV20 rated at 8.5 MW) and food producer Sampol Campofrio in Burgos (three BV12 engines totalling 15 MW).

A single Bergen BV:35:40V16 engine will provide food producer Agro Care with 7.5 MW of power for its Middenmeer site in the Netherlands.

Romanian hospital orders CHP microturbine

Romanian energy service company HospMed Project has ordered a 200 kW natural gas-fuelled Capstone microturbine as part of a cogeneration system. The turbine, to be supplied by Greenvironment, will be installed at a hospital in the city of Medias and is scheduled for completion in November.

The cogeneration system will supply electricity and heat to the facility. HospMed Project will operate the system, which will supply annually about 590 MWh of electricity and 2940 MWh of heat to the Medias municipal hospital. In addition, 750 MWh of electricity will be sent to the grid.

Greenvironment says the cogeneration system will achieve a total efficiency slightly above 90% and save the hospital about 10% of its annual energy costs.

Peter Dorner, COO of Greenvironment, said: ‘The Romanian market is developing very positively for us. At the moment, we are in advanced negotiations regarding five CHP projects with 800–1000 kW electrical installed capacity each in Romania alone.’

Biomass CHP expansion at UK recycling park

Lincolnshire County Council has given the green light for composting specialist Organic Recycling to extend its operations to include anaerobic digestion (AD) and a biomass CHP boiler at its recycling site in Crowland, UK.

Andrew Riddington, managing director of Organic Recycling, explains that naturally produced methane will be converted into electricity through a CHP unit, with the excess heat and carbon dioxide used in glasshouses adjacent to the plant.

The site will be able to handle 150,000 tonnes of waste at the 52 acre site, and produce enough power from a renewable resource for more than 1400 homes, according to the company.

The biomass boiler will also generate heat for use in the glasshouses from a variety of wood and biomass wastes generated from external and internal sources.

6.6 MW PV hospital contracts in the US

The US Department of Veterans Affairs (VA) has awarded REC Solar two contracts to design and install turnkey rooftop, ground mount and carport solar arrays for its hospitals in California and Texas.

The contracts total 6.6 MW and include a 4 MW addition at the West Los Angeles Medical Center.

At the West Los Angeles Medical Center most of the new solar system will be installed on carports. The entire installation will include four rooftop systems for a total of 15 separate arrays.

The 2.6 MW installation at the Central Texas Veterans Health Care System in Temple, Texas includes a 1.7 MW ballasted ground mount structure sited on a reclaimed capped landfill owned by the Department of Veterans Affairs and designed specifically to be suitable as a renewable energy source. The remaining 900 kW will be installed on five separate rooftops.

VA has set a goal of increasing renewable energy consumption to 15% of its annual electricity usage by 2013. PV systems are operational or planned at more than 20 VA facilities and wind turbines are due to be installed at five.

Ikea Group moves into on-site solar in the UK

The Ikea Group, the Swedish home furnishing firm, has announced plans to install 39,000 solar panels on the roofs of its UK stores. The company confirmed that it intends to source more energy from renewables, and has also purchased a new wind farm in Scotland.

Ikea’s chief sustainability officer Steve Howard said: ‘These developments are enough to cover 30% of Ikea’s UK electricity use. The solar panels, totalling 2.1 MW, will be fitted on 10 stores, providing an average of 5% of each shop’s power.’

The 12.3 MW wind farm in Huntly in Scotland was purchased from Good Energies Capital Inc for an undisclosed figure. Ikea also owns wind farms in Denmark, France and Germany.

Sugar Mill Biofuel Plant Contract in Queensland

Australian sugar milling company Mackay Sugar has awarded a $15 million contract to G and S Engineering for part of the construction of a cogeneration plant in northern Queensland.

When completed at the end of next year, the plant will produce a third of the city of Mackay’s electricity needs from sugarcane waste. The company will ultimately employ 55 people to work 85,000 hours to complete its activities by mid-2012.

Mackay says the $120 million project will provide a greater return for local cane growers. The company has already locked in a six-year contract with Ergon Energy for the electricity the plant produces.

G and S Engineering chief executive Mick Crowe said it was an exciting initiative for Queensland. ‘A lot of the environmentally clean projects you see, they’re either heavily subsidized or they have negative outcomes in some other sense,’ he said.

CERES Power opens fuel cell CHP factory in Britain

Ceres Power has completed the first phase of a factory that will produce its fuel cell CHP modules in Horsham, UK. The move is a key part of the group’s plans to launch its CHP product in the UK, and the plant has potential to be expanded to produce up to 30,000 fuel cell CHP products per annum.

The fuel cell module is integrated within a compact wall-mounted residential CHP system. It operates on mains natural gas and generates all of the heating and hot water and the majority of the electricity needs of a typical UK home. The wall-mounted unit is designed to replace a conventional central heating boiler and uses the same gas, water and electricity connections.

Ceres Power has partnered with British Gas to sell, install, service and maintain the CHP product in UK homes.

Cape Breton biomass plant proceeds

Nova Scotia Power and NewPage Port Hawkesbury are proceeding with a 60 MW biomass cogeneration facility in Nova Scotia, Canada.

Mitsubishi Power Systems, initially declared force majeure after the Japanese earthquake and tsunami earlier this year, but is now due to deliver the steam turbine generator by the second quarter of 2012.The $208 million project will produce about 400 GWh of energy a year – about 3% of Nova Scotia’s requirements.

NewPage is responsible for the construction and operation of the cogeneration facility as well as the fuel supply. Biomass is one of Nova Scotia’s options for renewable energy, as outlined in the province’s Renewable Electricity Plan.

Due to ecological concerns, only ‘stem wood’ will be used to make electricity. Tree stumps, tops and branches will be left on the forest floor to restore nutrients in the soil.

Wind Direct wins planning permission for UK project

Warrington Borough Council in the UK has awarded planning permission to Wind Direct, the on-site generation arm of Wind Prospect, for a 0.75 MW wind project on land on the Causeway Bridges farm. The company plans to complete the project, which includes a 77-metre tall wind turbine, in early 2012.

Electricity from Wind Direct’s projects since 2004 recently topped 100 GWh. The company says it has enabled clients to offset a total of more than 55,000 tonnes of carbon emissions through the generation of green electricity.

Wind Direct is currently adding to its development projects with the construction of a single turbine project in Scotland. The firm has four projects totalling more than 12 MW approaching financial close, to be constructed in 2011–2012.

Third unit starts up at E.ON’s Grain CHP plant in the UK

The third and final unit at E.ON’s Grain CHP plant in Kent is now commercially available. Construction and commissioning of the innovative scheme to provide ‘waste’ heat in the form of hot water to National Grid’s nearby liquefied natural gas (LNG) terminal continues and it is expected to be fully operational late-2011, making Grain one of the world’s largest CHP plants.

At present, National Grid’s Grain LNG terminal uses natural gas to heat LNG into a usable form. The CHP scheme at the new power station will have capacity to transfer up to 340 MW of heat from the steam condensation process within the CCGT to the LNG vaporizers, cutting carbon emissions by up to 350,000 tonnes a year.

In combining gas turbine and combined cycle technology with CHP, Grain is expected to have an overall efficiency of up to 73%.

New CHP plant for Sutton hospital in UK

A new CHP plant is being installed at the Royal Marsden Hospital in Sutton, near London. The energy centre is expected to save the hospital more than £600,000 ($980,000) and almost halve carbon emissions every year, equivalent to 3655 tonnes of carbon dioxide.

The plant, to be developed and operated by MITIE’s Asset Management business, uses a gas engine to generate heat and power, reducing the need to buy energy from the grid and replacing the hospital’s existing steam energy system.

The new plant, which will be installed by summer 2012, will also produce excess energy that could supply neighbouring amenities on the site.

MITIE has recently been accepted as a partner in the National Health Service (NHS) Carbon and Energy Fund, which enables hospital trusts to upgrade their energy infrastructure by providing funding, legal and technical services. MITIE is already working with the Royal Free hospital in Hampstead, London, to improve its energy provision.

Turboden to supply biomass CHP unit in Romania

Pratt & Whitney subsidiary Turboden has won a contract for a 1.4 MW Organic Rankine Cycle (ORC) cogenerative power plant from Romanian furniture manufacturer Sortilemn. The Turboden ORC unit will be installed in Gherla, Romania, and will generate 1.4 MW of electricity and about 5.3 MW of thermal power.

Heat from the ORC unit will be used in the factory’s wood treatment processes while electricity will be delivered to the grid. The Sortilemn factory consumes heat in boiling logs, in its wood presses and in its veneer and timber drying kilns. The plant is expected to fire up in the second quarter of 2012.

The ORC power system employs a closed cycle process that uses relatively low to moderate temperature heat sources in generating electricity. ORC systems are driven by a simple evaporation process and are entirely enclosed, which means they produce virtually no emissions.

Sortilemn’s order is Turboden‘s second in Romania; the first was for a heat recovery plant for Holcim, a leading regional cement producer.

MVV Energie invests in Czech CHP

Germany-based MVV Energie is furthering its expansion into the Czech market by investing in CHP and district heating.

MVV Energie CZ, the group’s Czech subsidiary, has taken over a CHP plant that generates 8.2 GWh of electricity and about 194 GWh of heating energy annually in Liberec, a winter sports resort in Northern Bohemia.

Teplarna Liberec, a district heating company in which MVV Energie CZ already holds a 70% stake, distributes this heating energy across the city. The Liberec plant consumed about 98,000 tonnes of municipal waste in 2010 and has an annual capacity of 106,000 tonnes.

UK CHP plant first to receive double ROCs

O-Gen UK, the timber resource recovery and recycling company, has become the first advanced conversion technology plant in the UK to receive double Renewable Obligation Certificates (ROCs) from energy regulator Ofgem.

ROCs are part of the main support scheme for renewable electricity projects in the UK. Electricity suppliers must present sufficient ROCs to prove they are sourcing an increasing proportion of their electricity from renewable sources.

The Staffordshire plant, which is the first of a number of resource recovery centres across the UK, is sited in an existing industrial area so as to make best use of its combined heat and power (CHP) capabilities and provides a local sustainable solution treating wood products.

O-Gen UK has developed a technology and commissioned a gasification plant in Stoke on Trent which uses advanced treatment techniques to turn waste timber, which would otherwise be disposed of via landfill, into clean renewable energy. Other renewable clean products such as charcoal and metals are also recovered.

Its process has been audited and assessed as using the ‘best available technique’ for the disposal of waste timber. The technology aims to be zero waste as only renewable heat and electricity, charcoal product and recovered recycled materials are produced during the operation of the facility.

Pittsburgh CHP plant gets operational upgrade

Emerson Process Management has modernized the steam turbine controls at the GIM Channelview Cogeneration LLC plant in the United States, boosting the plant’s operational efficiency and reduced its maintenance costs.

GIM Channelview is an 830 MW, combined-cycle cogeneration plant that provides electricity and steam to Equistar Chemical’s Channelview Complex, with surplus electricity sold for use by Texas consumers.

The plant, which began commercial operation ten years ago, utilizes four 170 MW Siemens-Westinghouse 501F natural gas fired combustion turbines, four heat recovery steam generators and one Alstom COMAX steam turbine.

For years, GIM Channelview had experienced significant functionality issues and high service costs associated with the three controllers originally installed on the Alstom COMAX steam turbine, said Emerson. The GIM Channelview plant replaced the existing system with Emerson’s Ovation control system. The company says that upgrading steam turbine controls has improved the plant’s operational efficiency, saving GIM Channelview $5000–10,000 annually in fuel costs alone.

The retrofit was a turnkey project, with Emerson responsible for designing, engineering, manufacturing, testing, training, installing and commissioning the control systems.

G24i targets ‘green from green’ energy

Solar manufacturer G24 Innovations (G24i) has opened a 120-metre-tall, 2.3 MW wind turbine at its Cardiff manufacturing facility in the UK.

The Ecotricity-owned turbine will produce enough electricity to power the entire 23 acre site and will save more than 2500 tonnes of carbon dioxide a year, according to G24i.

G24i – which makes advanced solar cells employing dye-sensitized thin film that can be used even under low-light, indoor conditions – claims the installation of the wind turbine makes it the first company to produce renewable energy products using only renewable energy.

The company has also launched a new on-site electric vehicle programme, using surplus wind power to run two Peugeot iOn vehicles for travel in the local area.

Constellation completes Denver airport solar project

Constellation Energy and Denver International Airport (DIA) have completed a 4.4 MW, ground-mounted solar power system. Constellation Energy built, owns and maintains the solar installation, and DIA will purchase the electricity produced by the system over a 20-year period.

The project is the third large-scale solar project for Denver International Airport, bringing the airport’s total amount of hosted solar power to more than 8 MW, which DIA claims is the biggest installed solar capacity at any commercial airport within the United States.

DIA’s three solar array systems now produce around 6% of the airport’s total power requirements. The system is expected to supply about 7000 MWh of electricity to DIA each year, utilizing approximately 19,000 Yingli Solar photovoltaic panels.

Generating the same amount of electricity using non-renewable sources would result in the release of more than 5000 tonnes of carbon dioxide, according to data from the US Environmental Protection Agency.

Constellation Energy structures its solar projects as power purchase agreements and currently owns and operates approximately 95 MW of solar installations either completed or under construction in the United States.

The company, which claims to have been the US’s first gas light utility, has about 12 GW of generation capacity. Its growing clean-energy portfolio includes approximately 1000 MW of renewable power generation owned or under contract from sources, including utility-scale solar, hydro, wind and biomass power plants.

More COSPP Articles
Past COSPP Issues