The upcoming Teesside energy-from-waste (EfW) plant at Teesside in the United Kingdom will use innovative technology to generate 49MW of green energy from residual municipal and commercial waste.
The power project, whose groundbreaking is scheduled for 2014 and operation commencement scheduled for 2016, is being developed under a build, own, operate and transfer (BOOT) contract for Merseyside and Halton Waste Partnership (MHWP). The BOOT contractors is SITA Sembcorp UK, a joint venture (JV) of Sembcorp (40%), SITA UK, a unit of Suez Environment (40%), a unit of Suez Environment and I-Environment Investments (20%), a wholly-owned subsidiary of ITOCHU Corporation (20%).
Partners in the MHWP include Merseyside Waste Disposal Authority (MWDA), and Knowsley, Liverpool, Sefton, St Helens, Wirral and Halton Councils.
SITA Sembcorp UK also signed a 30-year resource recovery contract with MWDA in April 2013 to manage more than 430,000t of commercial and household waste from Merseyside and Halton annually.
The waste-to-energy plant being developed at an estimated cost of £250m ($419.6m) is expected to create more than 100 jobs during the construction phase and over 75 permanent jobs when it commences operations.
The waste-to-energy project achieved financial closure in December 2013. The project cost is being mostly met through long-term non-recourse project finance loans from Banco Bilbao Vizcaya Argentaria, Crédit Agricole Corporate and Investment Bank, UK Green Investment Bank (GIB), The Bank of Tokyo-Mitsubishi UFJ, Sumitomo Mitsui Banking Corporation, UniCredit Bank and Mizuho Bank.
GIB provided £20m (approximately $33.57m) of senior debt funding for the project.
The waste-fired power plant is being constructed on 2,000-acre of land in Wilton International industrial estate near Redcar in Teesside.
The waste to fuel the power plant will be collected from households and businesses in Merseyside from five MWDA boroughs in Liverpool, Knowsley, Sefton, St Helens and Wirral as well as from the Halton Borough Council.
The project involves the development of rail loading waste transfer station at an existing rail-linked warehouse in Knowsley Industrial Estate from where the waste will be transported to the waste-to-energy project site via existing rail links.
Fixed gantry cranes will be used to load and unload waste containers from the train. A dolly mounted tipper will empty the boxes containing waste into the concrete bunker of the energy facility.
The waste is then loaded into a hopper with the help of grab crane to feed the furnace where the reverse-acting grate begins to burn the waste at very high temperatures to generate flue gases. The hot flue gas passes through two boilers to produce steam for the generation of electric power.
The clean electricity to be generated by the new 450,000t per year capacity waste-fired power plant will be fed to the national grid and will be enough serve 63,000 UK households. The facility will supply heat to adjacent industrial businesses through a district heating system.
The Teesside EfW facility, over its expected life span of 30 years, will utilise approximately 90% of waste diverted from landfills, reduce the consumption of fossil fuels, and offset around 127,335t of CO2 emissions per annum.
The plant will use thermal oxidisers to decompose hazardous gases at very high temperatures before releasing them into the atmosphere. The flue gas will be treated using hydrated lime and activated carbon injection.
The advanced energy-to-waste facility will also separate recyclable material of more than 126,000t per year, which can used for manufacturing recyclable plastic materials.
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