Potential of the PTC use in the industry of Cyprus: Current status and proposed scenario Panayiotis K. Ktistis, Rafaela A. Agathokleous, Soteris A. Kalogirou 5 th International Conference on ‘Energy, Sustainability and Climate Change’ ESCC 2018 Mykonos, Greece, June 4-6,2018 Presentation by: Rafaela Agathokleous, PhD (rafaela.agathokleous@cut.ac.cy) 1
Presentation Outline SEEP2018- CUT I. Introduction I. Energy Situation II. Solar Energy Potential III. Energy for the industrial sector II. Main Body I. Case study II. Simulation Dynamic Modelling III. Cost analysis III. Conclusions 2
Presentation Outline SEEP2018- CUT I. Introduction I. Energy Situation II. Solar Energy Potential III. Energy for the industrial sector II. Main Body I. Case study II. Simulation Dynamic Modelling III. Cost analysis III. Conclusions 3
I. Introduction II. Main Body III. Conclusions Energy Situation SEEP2018- CUT • Cyprus has a small and isolated energy system which is not connected with other energy networks • There are no fossil fuel resources • Very dependent on imported fuels • Cyprus has 3 Power stations of Dekelia, Moni, and Vasilikos 4
I. Introduction II. Main Body III. Conclusions Energy Situation SEEP2018- CUT • 94% of the country’s energy needs are covered by oil → Need for better alternatives: RES 1.800 1.600 1.400 Installed Capacity (MW) Electricity Authority of Cyprus R.E.S. 1.200 1.000 800 600 400 200 0 1962 1963 1964 1965 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 Years • The last years there is a shift to RES but there is a large space of improvement, education and motivation about energy from RES 5
I. Introduction II. Main Body III. Conclusions Energy Production by RES SEEP2018- CUT Wind Systems Biomass Systems Photovoltaic Systems RES production progress from 2010 to 2013 450.000 Electricity production (kWh) 400.000 Upward trend 350.000 300.000 250.000 200.000 Photovoltaics 150.000 R.E.S production 100.000 50.000 0 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 Year Biomass Systems Geothermal Solar Thermal Thermal Energy Production (kWh) 3.500 3.000 Solar Collectors 2.500 2.000 1.500 • PV energy: 70% ↑ 1.000 500 • Wind energy: 65% ↑ 0 2000200120022003200420052006200720082009201020112012201320142015 Years 6
I. Introduction II. Main Body III. Conclusions Solar Energy Potential SEEP2018- CUT Monthly average temperature in Nicosia, Cyprus Solar Energy Potential – Solar Radiation Sunhours in 2016 • Daily average solar radiation of about 5.4 kWh/m 2 on a horizontal surface. • The amount of global radiation falling on a horizontal surface with average weather conditions = 1727 kWh/m 2 per year. 7
I. Introduction II. Main Body III. Conclusions Solar Energy Potential SEEP2018- CUT Shift to Photovoltaics 160.000 Electricity from PV systems 140.000 120.000 100.000 (kWh) 80.000 60.000 40.000 20.000 0 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 Solar parks Years 1,5MWp. 1,5MWp. 5MWp. 8
I. Introduction II. Main Body III. Conclusions Solar Energy Potential SEEP2018- CUT • Solar thermal collectors for hot water are widely used • Worldwide leader country for the use of solar water heating systems per capita • The total capacity of glazed water collectors in 2012 was 546.4 kW th per 1000 inhabitants Coverage: 93% (domestic sector), 50% (tourist industry) 9
I. Introduction I. Introduction II. Main Body II. Main Body III. Conclusions III. Conclusions Energy for the Industrial Sector SEEP2018- CUT • Industrial Sector: Need to reduce oil • 4 th biggest energy consumer consumption for thermal • 3 rd biggest electricity consumer energy in the industrial • 2 nd biggest thermal energy consumer (oil consumption) sector 1% Electricity Consumption Energy Consumption Oil Consumption – Thermal Energy 3% 2% 3% Industry 5% 12% Domestic Industry 13% 20% Transport 18% 18% Commercial 36% Transport Residential Industrial Other 19% Services Agriculture Non energy use 52% Agriculture and Public Lighting 41% 57% Fishing 10
I. Introduction I. Introduction II. Main Body II. Main Body III. Conclusions III. Conclusions Energy for the Industrial Sector SEEP2018- CUT Electricity consumption Oil products for thermal energy production 100% 100% Manufacture of Rubber and Plastic Products Manufacture of Furniture, Other Manufacturing and Repair and Installation of Machinery and Equipment Manufacture of Furniture, Other Manufacturing and Repair Cost of oil products used in production ( €000's) Manufacture of Motor Vehicles and Other Transport Equipmnet 90% 90% and Installation of Machinery and Equipment Manufacture of Motor Vehicles and Other Transport Manufacture of Machinery and Equipment Share of electricity consumption (%) 80% 80% Equipmnet Manufacture of Machinery and Equipment Manufacture of Electronic and Optical Products and Electrical 70% 70% Equipment Manufacture of Electronic and Optical Products and Manufacture of Basic Metals and Fabricated Metal Products 60% 60% Electrical Equipment Manufacture of Basic Metals and Fabricated Metal Manufacture of Other Non-Metallic Mineral Products Products 50% 50% Manufacture of Other Non-Metallic Mineral Products Manufacture of Rubber and Plastic Products 40% 40% Manufacture of Refined Petroleum Products, Chemicals Manufacture of Tobacco Products, Refined Petroleum Products, and Chemical Products and Pharmaceutical Products and Chemicals and Chemical Products and Pharmaceutical Products 30% 30% Preparations and Preparations Manufacture of Paper and Paper Products and Printing Manufacture of Paper and Paper Products and Printing Activities Activities 20% 20% Manufacture of Wood and Wood Products Manufacture of Wood and Wood Products 10% 10% Manufacture of Textiles, Wearing Apparel and Leather Manufacture of Textiles, Wearing Apparel and Leather Products Products 0% 0% Manufacture of Food Products, Beverages and Tobacco Manufacture of Food Products, Beverages Products 2011 2012 2013 2014 2011 2012 2013 2014 2015 Years Years 11
I. Introduction II. Main Body III. Conclusions Energy for the Industrial Sector SEEP2018- CUT • The thermal load of the food industry and the non-metallic mineral products industry can be classified in relation to the required temperature range as follows: • Low temperature (<100 o C) • Medium temperature (100 o C – 300 o C) • High temperature (>300 o C) Thermal demand of various factories from the food and beverage and non-metallic mineral products industries in Cyprus Hot water/ Factory Process Temperature range (°C) Average load (tons/h) steam Wine Sterilization 90 Hot Water 1.5 Sterilization Milk & Dairy products 120 Steam 2.2 Drying Pasteurization 95 Steam Soft drinks 3.5 Cleaning / disinfecting process 150 Steam Meat Cooking 90-100 Steam 1 Beer Cleaning / disinfecting process/ hot water 80-90 Steam 5 Separation 200-220 Steam Plastics Drying 180-200 Steam 2 Blending 120-140 Steam Bricks and blocks Curing 60-140 Steam 4 12
Presentation Outline SEEP2018- CUT I. Introduction I. Energy Situation II. Solar Energy Potential III. Energy for the industrial sector II. Main Body I. Case study II. Simulation Dynamic Modelling III. Cost analysis III. Conclusions 13
I. Introduction II. Main Body III. Conclusions Case study SEEP2018- CUT • Site/Factory scenario • System Selection • Location: Limassol, Cyprus • Industry: Food and beverage industry • Factory: Soft Drinks PTC system • Thermal demand: 500 kW th • Thermal needs: Steam, 150°C • Demand: 10 hours/day, 7 days/week Cost Energy savings Size of the Size of the system system 15
I. Introduction II. Main Body III. Conclusions Simulation Dynamic Modeling SEEP2018- CUT Software: TRNSYS Collectors Weather data Storage tank Auxiliary boiler Weather data: TMY, Nicosia Parameters examined: Storage tank size: 15, 20, 25, 30 and 35 m 3 Number of collectors: 100, 110, 120, 130, 140, 150, 160 Parameter Considered for system evaluation: Solar fraction Load System’s energy cost (Solar Savings) 16
I. Introduction II. Main Body III. Conclusions Life Cycle Cost Analysis SEEP2018- CUT LCCA Assumptions: System components & fuel Cost 270 €/m 2 (11.25 m 2 /collector) Collectors Steam generator, steam boiler, control system, pipes and pumps €34,000 Fuel 20 €/GJ (+1% cost added per year) Maintenance cost 7% (+1% cost added per year) depending on the size (15, 20, 25, 30 and 35 m 3 ) Storage tank cost LCCA Method General Assumptions: • Return of investment: 7% • Pre-payment: 20% • Loan interest rate: 7% • Loan duration: 20 years 17
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