Abstract: . . .  Primary energy (MWh/yr) CO 2 overall (ton/yr) CO 2 Heat Pump (ton/yr) Electricity heat pump (MWh/yr) CO 2 boilers (ton/yr) Condensing boiler Boiler 2 Boiler 1 Gas consumption (MWh/yr) Cost without geothermal Added value Characteristics 38,57 €/MWh 6 MW boiler 34,45 €/MWh 4 MW boiler Increase efficiency and available power + lower costs Base: Condensing boiler 33,23 €/MWh 411 kW evaporator / 528 kW condenser Assistance to the geothermal + interesting tariff Base + heat pump to assist the geothermal 33,08 €/MWh 2 or 2x1,5 MW unit 29,88 €/MWh 2 MW unit Decrease energy and environmental bil s Base + CHP (with buy back of electricity) 38,42 €/MWh 4 MW boiler 34,91 €/MWh 2 MW boiler Renewable + employment of two persons Base + wood boiler Cost with geothermal Page 11 The customer is a precision foundry which had one compressed air station in order to cover the needs for the process (18 million cubic meters). Initialy – The compressed air station is composed of five compressors, one Water/Oil separator, one air-dryer and one tank. All these equipments are operated and maintained by the customer and the manufacturer for bigger works. The service company proposed the customer to outsource its compressed air production using new equipments for a 10 year duration. Such a contract includes the supply with primary energy (P1 Metering Market type defines a price per cubic meter of air), operation and the small maintenance (P2), a full coverage guarantee of maintenance needs on the installation during . . .
. . .  higher. Perpignan Briançon Year 2001 Guarantee kWh/day Production kWh/day Est. consumption L/day Real consumption L/day kW h/ d a y L/ d a y Year 2001 Guarantee kWh/day Production kWh/day Est. consumption L/day Real consumption L/day k W h/da y L/ d a y Solar collectors now allow to feed the electric boiler with hot water instead of cold water which leads to 51072 kWh annual savings. Solar collectors now allow to feed the fuel boiler with hot water instead of cold water which leads to 136130 kWh (4700€ and 47 tons of CO 2 ) annual savings. Guaranteed Solar Results: Two examples Technical Pool Consultant: Tecsol, Perpignan Installer: Sogetha, Gap Maintenance: Sogetha, Gap Manufacturer: Giordano, Aubagne Technical Data: Giordano C2S – 214 m 2 Solar storage : 2x8000L Main energy : fuel Funding: Fédération des Organismes de Sécurité Sociale de la Région Sud-Est Cost: 192100 € 900 €/m 2 Subsidies: 35% UE / SUNERGY 2 Annual Savings: 136130 kWh - 4700 € - 47 ton CO 2  . . .
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