PROJECT FACT SHEET AT MID-TERM EUROPEAN UNION CO-FUNDED PROJECT

under the funding programme 7th Framework Programme for Research and Technological Development (2007 ÷ 2014)

LARGE SCALE SYSTEMS FOR URBAN AREA AND/OR COOLING SUPPLY. ENERGY.2012.8.8.2

Project acronym: PITAGORAS Sustainable urban Planning with Innovative and low energy Thermal And power Generation from Residual And renewable Sources.

Author: Tecnalia

done in San Sebastian, Spain on: Friday, May 22, 2015

Grant agreement reference: ENER/FP7EN/314596/"PITAGORAS" Project duration: 01.11.2013 ÷ 31.10.2017 Project total cost: 14.214.518,54 € EU contribution: 8.364.785,97€ Coordinating entity: FUNDACION TECNALIA RESEARCH AND INNOVATION Paseo Mikeletegi 2, – 20009 San Sebastian - Spain Coordinator: Ms Maider Epelde Tel.: 0034–647 403 985 email: [email protected]

Project web site: http://www.pitagorasproject.eu

PITAGORAS

1. PROJECT SCOPE

The project is focused on efficient integration of city conditions. The two case studies (Brescia and districts with industrial parks through smart thermal Kremsmünster) have been be analysed in detail and the grids.The overall objective of the project is to demonstrate initial requirements that the new systems have to fulfil for a a highly replicable, cost-effective and high energy successful development and implementation have been efficiency large scale energy generation system that will concluded. allow sustainable urban planning of very low energy city districts. The main focus of the project is medium (150- The specific objectives were the following: 600ºC) and low (30-150ºC) temperature - To analyze in detail the industry of each case study recovery from industry and its use for energy supply to cities. The following systems and concepts will be - To characterize the available waste heat in each case study developed: - To analyze the existing thermal energy distribution system - Waste heat recovery systems in each case study.

- for heat and power generation WP2 deals with the system concept assessment and the - Thermal energy storage systems (short and long-term) final design of both plants. The main objective of WP2 is to define the conceptual and detailed design of the different - Optimized thermal energy distribution network (low subsystems and the whole system for the two system temperature thermal grids) concepts of which at least main parts will be realized in the demonstration plants. - Solar thermal energy The first step will be to do a feasibility analysis of different - Optimized integration of new technologies and concepts options and define the specific requirements for each of the developed and state-of-the-art renewable energy systems subsystems based on the modelization of the overall system and its preliminary performance analysis. After the - Innovative tools for efficient energy management of the conceptual design, the detailed design will start. Detailed system planning of the whole system of the two demonstration plants will be done by local engineering companies waste The concept of the project will be demonstrated at two heat recovery systems, ORC unit and storage systems) and different European cities: Brescia (Italy) and Kremsmünster by the partners of the consortium: , control and (Austria). regulation devices, solar thermal plant and - Demonstration plant in Brescia: medium/high temperature network. waste heat recovery (600ºC) from a steel foundry and ORC unit (2,1 MWe) for heat and power generation. Heat supply to the Brescia district heating net.

- Demonstration plant in Kremsmünster: Seasonal thermal energy storage system from the 10,000m 2 of solar thermal field as support energy system for the industrial oil installation (oil extracting process and storage of oil in four tanks of 60,000 m 3 each). This installation besides, will supply heat to the Kremsmünster district heating net and at the same time will increase the RES contribution in the city. Fig 1. Scheme of Brescia Pitagoras pilot plant

2. PROJECT/TECHNICAL DESCRIPTION Implementation of the systems to be developed in the project is the main objective of WP3. The Pitagoras pilot The technical activities of the project are divided in six plant of Brescia will contribute to cover part of the heat WPs. WP1 Boundary conditions and requirements, has as demand satisfied by this DH network, which is estimated in objective to establish the boundary conditions and 400 buildings approximately. Waste heat will be recovered requirements for the systems to be developed in the project. from the Electric Arc Furnace, which is in operation 6,800 Different types of industry mean different boundary hours/year, this waste heat will be used in summer to

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PITAGORAS

produce electricity by means of an ORC system, and in facility and to store in oil tanks (240,000m 3) heat winter, waste heat generated by the Electric Arc Furnace obtained in summer to be used in winter (seasonal will be recovered and transferred to the Brescia district storage). Use of solar thermal energy as support heating network. The demonstration plant in the city of energy system will increase the Renewables Kremsmünster will be based on a large scale solar thermal Energy Source contribution in the Kremsmünster plant. According to first estimations a solar collector field city. of around 10,000m 2 will be installed, producing around 5GWh/year. The pilot plant will be connected to the municipal DH network. The heat produced will be partly used for heat supply to the DH network and partly for internal use at the industry (low temperature heat demand will be covered, increasing the efficiency of the solar thermal plant). A particular characteristic of the pilot plant is the Seasonal Thermal Energy Storage (STES) concept. The surplus heat in summer will be used to overheat the oil stored in the tanks (240,000m 3), reducing this way the fossil fuel consumptions in winter time. The oil is preheated usually to 25ºC, with the Pitagoras concept it will be overheated up to 35-40ºC with solar surplus heat in summer period replacing the fossil fuel use of winter time. Up to Photo 1. Oil tanks for seasonal thermal storage at the 5GWh of savings on fossil fuels and a return of investment Kremsmünster Pitagoras plant. of about 10 years are expected.

WP4, Monitoring and performance assessment will • Data form both plants will be monitored and will demonstrate the behaviour of the systems and concepts be assessed by the consortium to study the developed in the project. A monitoring campaign of behaviour of both plants. minimum 12 months is foreseen. The collected data will be • Business and exploitation models will be continuously analysed by the partners involved in this WP developed for these industrial activities, including (waste heat recovery systems, ORC unit, thermal energy the ESCO model. storage systems, heat pumps, thermal energy distribution system, energy management system, etc). WP5 deals with the exploitation and business models 4. REPLICABILITY IMPACT related with both plants that are connected to the local DH network and also supply energy to the industrial plants. One of the main impact of the Pitagoras project is the Market potentials, environmental benefits, risks and feasibility to extend the Pitagoras concept to take advantage benefits will be studied for the Pitagoras concept. The role of industrial waste heat and the use and storage of solar of the ESCOs will be assessed to exploit the Pitagoras thermal energy in both industry and district heating concept from the business point of view. networks. Waste heat in industry has a high potential for both as heat source for the own facility or The objective of WP6 is to promote project results to to supply to a district heating nearby or to produce different target groups using the dissemination potential of electricity by means of systems as ORC, heat absorption the demonstration plants with the active involvement of the systems, heat pumps, etc. The Pitagoras concept can be local industry, municipalities and energy agencies. replied in industrial facilities of sectors that produce high amounts of waste heat in sectors as steel, cement, glass, 3. RESULTS TO ACHIEVE chemical, paper, thermal treatment of metallic parts, bricks Pitagoras project is in a first step and only intermediate and ceramic products manufacturing etc. As steel fumes are results have been obtained at the moment. The envisaged emitted from the Electric Arc Furnace at high temperature results are the following: (about 1,200 C) and with a high amount of very abrasive dust, conditions to deal with this fumes are much more • One industrial plant to deal with all fumes form a exigent than waste heat from fumes from another industrial Steel furnace to produce heat to supply to the local processes so replicability in other sectors will be easier. Use DH (winter) and electricity (by means of an ORC) of solar energy to obtain heat to be used in industry can be to the own steel facility in summer. This system applicable not only for extracting oil from wells (pilot plant includes a waste heat recovery unit from the of the Pitagoras project) but it can also be used to produce Electric Arc Furnace fumes that enters the system steam and heat thermal oil for industrial installations used at about 600 ºC. for food processing, papermills, tyres manufacturing, • One solar thermal plant (10,000 m 2) that produce chemicals etc. heat for the local DH and also for an oil processing 3 of 4 11/05/2015 12:24

PITAGORAS

Once the technical and economic feasibility are proved and Once demonstrated the developed system through the two due to the dissemination activities that are being performed demonstration plants in Brescia and Kremsmünster, a in the project, the replicability will be carried out. ready-to-market system will be available. Companies that are involved in the installation of the pilot plants, and companies that are not partners but are involved The implementation of the developed solution in the market in the Pitagoras project, will be interested in installing other will contribute to reach the three priorities of Europe 2020 similar plants in Europe. that the Commission proposed in its communication of March of 2010: 1) smart growth developing an economy The results achieved in oil extraction and steel production based on knowledge and innovation, by boosting the use of can be extended to other industrial sectors.Other project renewable energy sources; 2) sustainable growth promoting outcomes such as business models for heat supply (for a more resource efficient, greener and more competitive instance by means of ESCO) and training courses for economy; 3) inclusive growth fostering a high-employment technical staff in waste heat recovery will facilitate the economy, through the market uptake of the technologies replication.. that are required in the developed system (heat pumps, waste heat recovery systems, auxiliary equipments, 5. SOCIO-ECONOMIC IMPACT regulation and control elements, storage systems, solar thermal collectors…). Industry generates approximately 4,000 TWh of waste heat annually in Europe (equivalent to the incident solar 7. ENVIRONMENTAL IMPACT radiation in 3,300,000,000 m 2). Assuming that only 50% of total available waste heat can be recovered (considering The use of the waste heat generated by the European heat recovery system efficiency and that part of available industry would mean savings equivalent to 2,000TWh of waste heat is already recovered), there would be 2.000 TWh fossil fuels, and a reduction in GHG emissions of about of useful heat per year to use with an ORC unit, a heat 4,500,000,000 ton CO 2/year. pump, to store or to feed directly in the district heating network. This amount of energy is equivalent to Concerning the solar thermal Kremsmünster plant, annually 17,000,000,000 m 3 of natural gas. The recovery of all the more than 12.000 MWh from gas natural will be saved, 3 available waste heat represents about 5% of the total EU approximately 1,000,000m /year of natural gas and 2,900 consumption. tonCO 2/year. The STES system will have a storage capacity of about 4,500 MWh, energy that could be stored for its use About 25-30% of the energy used in the Electric Arc in winter, reducing with around 4,000 MWh the use of Furnace to melt steel scrap is lost in the exhaust gases. It is fossil fuels for heat generation. estimated that up to 70% of the thermal power of the exhaust gas can be recovered and re-used, which will be 8. ADDITIONAL INFORMATION demonstrated within the Pitagoras project. Waste heat produced during winter will be delivered to the existing Technical information of the results of the project will be district heating network of Brescia; and during summer, accessible in the project website: http://pitagorasproject.eu recovered thermal power will be used by an ORC unit to produce electricity. 6. POLICY IMPACT

At this stage of the project the pilot plants have not been built yet so the consortium can´t show at this moment activities with positive impact in reduction of fossil fuel consumption or electrical energy production.The main energy source will be industrial waste heat, in combination with solar thermal energy. So, the full operation of such a district can achieve a reduction of primary energy consumption of 75% in thermal needs; furthermore, power generation equivalent to approximately 30% of electricity consumption can be also provided. Therefore, reduction on primary energy consumption and GHG emissions is expected. The system will use solar thermal energy (or biomass energy, if available, depending on the city) as support energy, contributing thus to the objective of 20% of RES contribution.

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