EPC Success Stories

22 New EPC Success Stories

Amtshaus Enkplatz and Amtshaus Brigittaplatz (Vienna, Austria)

Challenge

  • Location: Vienna, Austria
  • Project type: Energy check
  • Number of buildings: 2
  • Type of buildings: Old
  • Construction year: 1895/1896 (Enkplatz) and 1906 (Brigittaplatz)

Solution(s)

  • Duration of the EPC contract: 1 month
  • Technical solution(s):
    • Installation of hydraulic control
    • Optimisation of hot water handling
    • Installation of thermostat valves
    • Employ communicative DDC control
    • Optimise basement heating
    • Installation of Energy-efficient lighting
    • Insulate the top floor
    • Employ speed controlled pumped

Result(s) and benefit(s)

  • Reduction of heat energy consumption of 15% (Enkplatz) and of 14% (Brigittaplatz)
  • Reduction of electrical consumption by 2%, resulting in annual costs savings of €5.450 (Enkplatz) and of €6.759 (Brigittaplatz)
  • Reduction of CO2 emissions by approximately 12%
eu.ESCO member Siemens
Further information Andrei Litiu (Director Governmental Relations)
Diamant Building, Boulevard A. Reyers, 80, 1030 Brussels, Belgium
e-mail: andrei.litiu(at)eubac.org
Phone: +32 (0) 2 706 82 02
Fax: +32 (0) 2 706 82 10
Vellinge Community (Sweden)

Challenge

  • Location: Vellinge, Sweden
  • Project type: EPC

Solution(s)

  • Technical solution(s):
    • Desigo PX and Desigo Insight
    • Lighting
    • HVAC installation
    • Change heat production systems
    • Plumbing
    • Water savings
    • Isolation
    • Heat pump installations
    • Balance of hydraulic systems
    • Online live energy analysis over the Advantage OperationsCentre
  • Non-technical solution(s):
    • Education of users

Result(s) and benefit(s)

  • Modernised buildings without investment
  • Reduction of CO2 emissions by 20%
  • Guaranteed savings of €110.000 per year
  • Facilities are constantly monitored and optimised by Siemens over the Advatage Operation Center
eu.ESCO member Siemens
Further information Andrei Litiu (Director Governmental Relations)
Diamant Building, Boulevard A. Reyers, 80, 1030 Brussels, Belgium
e-mail: andrei.litiu(at)eubac.org
Phone: +32 (0) 2 706 82 02
Fax: +32 (0) 2 706 82 10
City of Salzburg (Austria)

Challenge

  • Location: Salzburg, Austria
  • Project type: EPC
  • Number of buildings: 120

Solution(s)

  • Technical solution(s):
    • Monitoring and controlling
    • 1.800 energy meters
    • 2 management stations featuring DESIGO INSIGHT and Consumption Control

Result(s) and benefit(s)

  • Calculated energy cost savings of €255.000 annually
  • Other benefit(s):
    • Higher plant capacity, secured value and profitability due to monitoring and controlling
    • Sustainable quality assurance and budget reduction due to energy management
    • Regular consumption, costs and emissions reports accessible in a harmonised format
    • Simplified monitoring for guarantee control in all projects, independent of the performance contracting partner
    • Implementation of environmental policy goals
eu.ESCO member Siemens
Further information Andrei Litiu (Director Governmental Relations)
Diamant Building, Boulevard A. Reyers, 80, 1030 Brussels, Belgium
e-mail: andrei.litiu(at)eubac.org
Phone: +32 (0) 2 706 82 02
Fax: +32 (0) 2 706 82 10
Municipality of Oberstdorf (Germany)

Challenge

  • Location: Oberstdorf, Germany
  • Project type: EPC
  • Type of buildings: Fire station and several schools

Solution(s)

  • Duration of the EPC contract: 14 years
  • Technical solution(s):
    • Installation of user-friendly Desigo controller
    • Installation of heating facilities enabling efficient use of the control technology

Result(s) and benefit(s)

  • Guaranteed annual savings of €27.500 (25%)
  • Annual reduction of CO2 emissions of 224 tonnes
eu.ESCO member Siemens
Further information Andrei Litiu (Director Governmental Relations)
Diamant Building, Boulevard A. Reyers, 80, 1030 Brussels, Belgium
e-mail: andrei.litiu(at)eubac.org
Phone: +32 (0) 2 706 82 02
Fax: +32 (0) 2 706 82 10
Municipality of Raabs an der Thaya (Austria)

Challenge

  • Location: Municipality of Raabs an der Thaya, Austria
  • Project type: EPC
  • Type of buildings: Swimming pool, primary school, kindergarten, town house and street lights

Solution(s)

  • Technical solution(s):
    • Renovation of ventilation plants
    • Heat recovery
    • Optimisation of hot water handling, lighting and individual room control
    • Demand-controlled heating
    • Various maintenance work
    • Use of energy-efficient lighting (mercury lamps) in street lamps

Result(s) and benefit(s)

  • Comfort increase
  • Reduction of CO2 emissions by 20%
  • Guaranteed savings of €16.307 per year
eu.ESCO member Siemens
Further information Andrei Litiu (Director Governmental Relations)
Diamant Building, Boulevard A. Reyers, 80, 1030 Brussels, Belgium
e-mail: andrei.litiu(at)eubac.org
Phone: +32 (0) 2 706 82 02
Fax: +32 (0) 2 706 82 10
Municipal Authority of Marchtrenk (Austria)

Challenge

  • Location: Marchtrenk, Austria
  • Project type: EPC
  • Number of buildings: 4
  • Type of buildings: Dr. Schärf Primary School (3.204 m²), Dr. Körner Dual Secondary School (7.957 m²), Lindenstrasse Lindergarten (928 m²) and Goethestrasse community center (2.028 m²)

Solution(s)

  • Duration of the EPC contract: 6 years
  • Technical solution(s):
    • Replacement of boilers and gas burners
    • Fuel change from oil to gas
    • Energy management system
    • Replacement of all actuators and controllers
    • Installation of the UNIGYR digital control system of Siemens Building Automation
    • Installation of balancing valves
    • Replacement of electrical control panels (heating/ventilation)
    • Energy controlling using Consumption Control

Result(s) and benefit(s)

  • Energy costs before EPC: €90.841
  • Energy costs after application of measures: €64.539
  • Reduction of CO2 emissions by 211 tonnes per annum
  • Forecasted savings on energy of 29 %
eu.ESCO member Siemens
Further information Andrei Litiu (Director Governmental Relations)
Diamant Building, Boulevard A. Reyers, 80, 1030 Brussels, Belgium
e-mail: andrei.litiu(at)eubac.org
Phone: +32 (0) 2 706 82 02
Fax: +32 (0) 2 706 82 10
Federal Schools (Federal State of Lower Austria)

Challenge

  • Location: Federal State of Lower Austria
  • Project type: EPC
  • Number of buildings: 38
  • Type of buildings: Federal schools

Solution(s)

  • Technical solution(s):
    • New regulation and control systems
    • Single room control
    • Far circuit entering of the regulation system
    • Application of reference detectors and thermostats
    • Hydraulic equipment
    • Damping and insulation of the windows
    • Condensing boiler and exhaust chiller
    • Heating pumps and solar plants
    • Heat recovery at ventilation systems
    • Optimising of the ventilation systems
    • Energy saving lamps
    • Time switch towards stand-by
    • Energy counter
  • Non-technical solutions:
    • Project "user motivation for energy-conscious behaviour"

Result(s) and benefit(s)

  • Reduction of the energy costs, cut of the high maintenance efforts
  • Annual energy costs before modernisation of €3,12m
  • Guaranteed annual cost savings of €722.330 (23.15%)
  • Reduction of annual CO2 emissions of 2.880 tonnes
eu.ESCO member Siemens
Further information Andrei Litiu (Director Governmental Relations)
Diamant Building, Boulevard A. Reyers, 80, 1030 Brussels, Belgium
e-mail: andrei.litiu(at)eubac.org
Phone: +32 (0) 2 706 82 02
Fax: +32 (0) 2 706 82 10
County Council of Östergotland (Sweden)

Challenge

  • Location: County council Östergotland, Sweden
  • Project type: EPC
  • Number of buildings: 189

Solution(s)

  • Duration of the EPC contract: 9 years
  • Technical solution(s):
    • Replacement of oil boiler by a heat pump (health centre Brinken)
    • Replacement of oil-fired boilers by pellet boilers (Vreta School and health centre Blairgowrie)

Result(s) and benefit(s)

  • Reduction of CO2 emissions by 2.307 tonnes/year
  • Reduction of emissions of NOx: 2.922 kg/year and SOx: 1.463 kg/year
  • Guaranteed savings of 16.038 MWh/year or 30 kWh/m2 year
  • Guaranteed savings of 29.000 m3/year of water
  • Guaranteed savings of €800.000 annually
  • Additional savings on maintenance of €7.35m in 15 years
eu.ESCO member Siemens
Further information Andrei Litiu (Director Governmental Relations)
Diamant Building, Boulevard A. Reyers, 80, 1030 Brussels, Belgium
e-mail: andrei.litiu(at)eubac.org
Phone: +32 (0) 2 706 82 02
Fax: +32 (0) 2 706 82 10
Public Swimming Pools (Berlin, Germany)

Challenge

  • Location: Berlin, Germany
  • Project type: EPC
  • Number of buildings: 11
  • Type of buildings: Public swimming pools

Solution(s)

  • Duration of the EPC contract: 10 years
  • Technical solution(s):
    • Modernisation of the heating, ventilation and air conditioning systems as well as domestic hot water, water treatment technology and lighting
    • Improvement on the water hygiene as well as the change from water chlorination to more environmentally and more skin-friendly method

Result(s) and benefit(s)

  • Guaranteed annual savings of €1.63m (33,5%)
  • Annual reduction of CO2 emissions of 5.000 tonnes
eu.ESCO member Siemens
Further information Andrei Litiu (Director Governmental Relations)
Diamant Building, Boulevard A. Reyers, 80, 1030 Brussels, Belgium
e-mail: andrei.litiu(at)eubac.org
Phone: +32 (0) 2 706 82 02
Fax: +32 (0) 2 706 82 10
State of Berlin (Germany)

Challenge

  • Location: Berlin, Germany
  • Project type: EPC
  • Number of buildings: 164
  • Type of buildings: Schools, kindergartens, day-care centres, sport facilities (gyms and indoor swimming pools), JVA Tegel correctional facility, Universities (Technical University of Berlin and Berlin University of the Arts)

Solution(s)

  • Duration of the EPC contract: 12 years
  • Technical solution(s):
    • Development and realisation of an energy efficiency concept
    • Regulation of heat generation/distribution
    • Renewal of air conditioning and ventilation technology
    • Replacement of lighting systems
    • Installation of water technology
    • Controlling, monitoring and maintenance measures

Result(s) and benefit(s)

  • 1.14m immediate budgetary reduction annually for Berlin
  • €5.3m guaranteed energy cost savings annually
  • €47.7 – €63.6m guaranteed savings for Berlin over contract period
  • 29.000 tonnes/year reduction in CO? emissions annually (25%)
  • Other benefit(s):
    • Guaranteed energy cost savings during the entire contractperiod
    • Energy savings immediately releases budget for other projects
    • No in-house investments for energy saving measures
    • One partner responsible for planning, execution and maintenance
    • Lower transaction costs through building pools
    • Customer assumes ownership of energy-optimised plants after expiration of contract without additional compensation
eu.ESCO member Siemens
Further information Andrei Litiu (Director Governmental Relations)
Diamant Building, Boulevard A. Reyers, 80, 1030 Brussels, Belgium
e-mail: andrei.litiu(at)eubac.org
Phone: +32 (0) 2 706 82 02
Fax: +32 (0) 2 706 82 10
Municipality of Amstetten (Austria)

Challenge

  • Location: Amstetten, Austria
  • Project type: EPC
  • Number of buildings: 27

Solution(s)

  • Duration of the EPC contract: 10 years
  • Technical solution(s):
    • Boiler upgrade
    • Solar collectors for domestic hot water at the stadium
    • Upgrade control technology
    • Rebuild hydraulic systems (distributors, pumps, etc.)
    • Window insulation, replacement
    • Partial upgrade of lighting systems
    • Adding meters and energy management
  • Non-technical solution(s):
    • Environmental awareness trough User motivation in schools and kindergarten

Result(s) and benefit(s)

  • Energy costs before modernisation: €355.000
  • Guaranteed energy costs savings: €75.000 p.a.
  • Reduction of CO2 emissions: 25% p.a.
  • Investment: €735.000
eu.ESCO member Siemens
Further information Andrei Litiu (Director Governmental Relations)
Diamant Building, Boulevard A. Reyers, 80, 1030 Brussels, Belgium
e-mail: andrei.litiu(at)eubac.org
Phone: +32 (0) 2 706 82 02
Fax: +32 (0) 2 706 82 10
University of Sheffield (The United Kingdom)

Challenge

  • Location: Sheffield, United Kingdom
  • Project type: EPC
  • Number of buildings: 38
  • Type of buildings: Old
  • Construction year: Different years

Solution(s)

  • Duration of the EPC contract: 10 years
  • Technical solution(s):
    • Installation of chilled water system
    • Upgrading of Air Handling Units (AHU)
    • Retrofitting of heat distribution and district heating
    • Installation of energy efficient lighting systems
    • Conservation of domestic water
    • Installation of automatic water treatment
  • Non-technical solution(s):
    • Education

Result(s) and benefit(s)

  • Reduction of >25% energy consumption per year
  • Reduction of 1.68m kg of CO2 emissions per year
  • Other benefit(s):
    • Eradicate over €1,2m of backlog maintenance
    • Reduced reactive maintenance costs by €289.000
eu.ESCO member Schneider Electric
Further information Andrei Litiu (Director Governmental Relations)
Diamant Building, Boulevard A. Reyers, 80, 1030 Brussels, Belgium
e-mail: andrei.litiu(at)eubac.org
Phone: +32 (0) 2 706 82 02
Fax: +32 (0) 2 706 82 10
Nyköpingshem (Nyköping, Sweden)

Challenge

  • Location: Nyköping municipality, Sweden
  • Project type: EPC
  • Number of buildings: 64
  • Type of buildings: Old
  • Construction year: Different years

Solution(s)

  • Technical solution(s):
    • Balancing of heating and ventilation system
    • Ground source heat pumps
    • New BS system
    • Optimisation of their energy system overall
  • Non-technical solution(s):
    • Education

Result(s) and benefit(s)

  • Reduction of 20% of energy consumption per year
  • Reduction of approximately 20% of CO2 emissions per year
eu.ESCO member Schneider Electric
Further information Andrei Litiu (Director Governmental Relations)
Diamant Building, Boulevard A. Reyers, 80, 1030 Brussels, Belgium
e-mail: andrei.litiu(at)eubac.org
Phone: +32 (0) 2 706 82 02
Fax: +32 (0) 2 706 82 10
Middelfart Municipality (Denmark)

Challenge

  • Location: Middelfart Municipality, Denmark
  • Project type: EPC
  • Number of buildings: 100
  • Type of buildings: Old

Solution(s)

  • Technical solutions:
    • Improvement of indoor climate
    • Installation of better controls
    • Reduction of reactive maintenance

Result(s) and benefit(s)

  • 20% savings in direct energy
eu.ESCO member Schneider Electric
Further information Andrei Litiu (Director Governmental Relations)
Diamant Building, Boulevard A. Reyers, 80, 1030 Brussels, Belgium
e-mail: andrei.litiu(at)eubac.org
Phone: +32 (0) 2 706 82 02
Fax: +32 (0) 2 706 82 10
Kerteminde Municipality (Denmark)

Challenge

  • Location: Kerteminde Municipality, Denmark
  • Project type: EPC
  • Number of buildings: 60
  • Type of buildings: Old

Solution(s)

  • Technical solutions:
    • Installation of a Building Management System
    • Reduction of reactive maintenance
    • Installation of better controls
    • Implementation of the Performance Assurance Support Services (PASS)

Result(s) and benefit(s)

  • 25% direct savings on heat
eu.ESCO member Schneider Electric
Further information Andrei Litiu (Director Governmental Relations)
Diamant Building, Boulevard A. Reyers, 80, 1030 Brussels, Belgium
e-mail: andrei.litiu(at)eubac.org
Phone: +32 (0) 2 706 82 02
Fax: +32 (0) 2 706 82 10
Hoeje-Taastrup Municipality (Denmark)

Challenge

  • Location: Hoeje?Taastrup Municipality, Denmark
  • Project type: EPC
  • Number of buildings: 260
  • Type of buildings: Mix of old and new buildings
  • Construction year: Different years

Solution(s)

  • Technical solution(s):
    • Renovation of the ventilation system, lighting system, BMS system and the climate shell
    • Eradicate all backlog maintenance in the project, which otherwise would have strained the budget for building investments
    • Target bad indoor climate factors, which will benefit children, residents and employees within the municipality
    • Implemented one of the largest PV installation sites in Denmark (800 m2)
  • Non-technical solution(s):
    • Education

Result(s) and benefit(s)

  • Reduction of approximately 15% of energy consumption per year
  • Reduction of 15% of CO2 emissions per year
eu.ESCO member Schneider Electric
Further information Andrei Litiu (Director Governmental Relations)
Diamant Building, Boulevard A. Reyers, 80, 1030 Brussels, Belgium
e-mail: andrei.litiu(at)eubac.org
Phone: +32 (0) 2 706 82 02
Fax: +32 (0) 2 706 82 10
Waldfriede Hospital (Berlin, Germany)

Challenge

  • Location: Berlin, Germany
  • Project type: EPC
  • Number of buildings: 2
  • Type of buildings:
    • 1 building complex dating from 1920
    • 1 building complex dating from 1980

Solution(s)

  • Duration of the EPC contract: 12 years
  • Technical solutions:
    • Installation of Building Management System (BMS) / changeover to Direct Digital Control (DDC)
    • Implementation of energy management and controls systems
    • Retrofitting of the central heating station (fuel conversion from oil to gas, installation of new efficient boilers and burners)
    • Optimisation of heating plans including hydraulic adjustment, installation of efficient pumps and valves
    • Installation of presence detectors to cut energy consumption when rooms are not occupied
    • Retrofitting of switchboards
    • Installation of water saving fittings
    • Replacement of water-cooled condensers by air-cooled condensers
  • Non-technical solutions:
    • Training of technical staff

Result(s) and benefit(s)

  • 22% savings in energy costs
  • 40% CO2 emissions reduction
eu.ESCO member Johnson Controls
Further information Andrei Litiu (Director Governmental Relations)
Diamant Building, Boulevard A. Reyers, 80, 1030 Brussels, Belgium
e-mail: andrei.litiu(at)eubac.org
Phone: +32 (0) 2 706 82 02
Fax: +32 (0) 2 706 82 10
Meander Medical Centre (Meander, The Netherlands)

Challenge

  • Location: Baarn, The Netherlands
  • Project type: EPC
  • Number of buildings: 1
  • Type of buildings: Building dates from the 1970s

Solution(s)

  • Duration of the EPC contract: 7 years
  • Technical solution(s):
    • The replacement of the conventional boiler by a high efficiency condensing boiler
    • The adaptation of the steam boiler system to the current steam demand needed for humification
    • The replacement of the R22 chiller with a high efficient and more performant chiller
    • The replacement of current fixed flow pumps with high efficiencyvariable flow pumps in order to meet the variable heating demands over different seasons
    • The installation of a controls system to monitor the lighting and other electric devices based on motion sensors and time schedules

Result(s) and benefit(s)

  • 24% energy cost reduction per year
  • 29% CO2 emissions reduction
  • Other benefit(s): Long term benefits: energy and resource savingscontribute to patients’, visitors’ and staff’s well-being
eu.ESCO member Johnson Controls
Further information Andrei Litiu (Director Governmental Relations)
Diamant Building, Boulevard A. Reyers, 80, 1030 Brussels, Belgium
e-mail: andrei.litiu(at)eubac.org
Phone: +32 (0) 2 706 82 02
Fax: +32 (0) 2 706 82 10
Community of Hude (Germany)

Challenge

  • Location: Hude, Germany
  • Project type: EPC
  • Number of buildings: 9
  • Type of buildings: Public buildings, including 4 schools and 1 town hall

Solution(s)

  • Duration of the EPC contract: 12 years
  • Technical solution(s):
    • Installation of a new heating and building control system in one of the schools
    • Installation of new metering systems for electricity and gas, optimisation of control systems and lighting across all of the properties
    • Installation of new integrated building management system including interfaces to existing systems and installation of data displays
    • Optimisation of heat distribution, installation of a new hot water boiler and decentralisation of potable hot water production
    • Improvement of the lighting systems

Result(s) and benefit(s)

  • Cut energy costs from €213.000 to €182.000 annually through a €250.000 investment
  • Budget relief for Hude thanks to share on savings
  • CO2 emissions reduction of 128 tonnes/year
eu.ESCO member Johnson Controls
Further information Andrei Litiu (Director Governmental Relations)
Diamant Building, Boulevard A. Reyers, 80, 1030 Brussels, Belgium
e-mail: andrei.litiu(at)eubac.org
Phone: +32 (0) 2 706 82 02
Fax: +32 (0) 2 706 82 10
Oranienstein Base (Diez, Germany)

Challenge

  • Location: Diez, Germany
  • Project type: EPC
  • Number of buildings: 37.000 m2 army base site with different buildings
  • Type of buildings: Different buildings including castle built in the 17th century

Solution(s)

  • Duration of the EPC contract: 10 years
  • Technical solution(s):
    • Replacement of a 850kW dual fuel boiler with a woodchip boiler.
    • Installation of two mini gas fired combined heat and power plants (CHP)
    • Construction of a gas pipeline for CHP
    • Change of warm water supply in several buildings.
    • Installation of a central water-softening plant
    • Replacement of the lighting system
    • Installation of meters and the modernisation of the Building Management System
    • Change of the pump control to pressure control
    • Installation of M-bus meters
    • Optimisation of Direct Digital Controls (DDC)

Result(s) and benefit(s)

  • 49% savings in annual energy costs
  • 55% reduction of CO2 emissions
eu.ESCO member Johnson Controls
Further information Andrei Litiu (Director Governmental Relations)
Diamant Building, Boulevard A. Reyers, 80, 1030 Brussels, Belgium
e-mail: andrei.litiu(at)eubac.org
Phone: +32 (0) 2 706 82 02
Fax: +32 (0) 2 706 82 10
Hapimag Resort (Winterberg, Germany)

Challenge

  • Location: Winterberg, Germany
  • Project type: EPC
  • Number of buildings: 190 holiday apartments dating from 1994
  • Type of buildings: Old

Solution(s)

  • Technical solution(s):
    • Installation and use of a combined heat and power station
    • Modernisation and optimisation of the ventilation and control equipment in the swimming pool complex

Result(s) and benefit(s)

  • Reduction of 110 tonnes CO2 emissions per year
eu.ESCO member Honeywell
Further information Andrei Litiu (Director Governmental Relations)
Diamant Building, Boulevard A. Reyers, 80, 1030 Brussels, Belgium
e-mail: andrei.litiu(at)eubac.org
Phone: +32 (0) 2 706 82 02
Fax: +32 (0) 2 706 82 10
Clinical Centre (Landshut, Germany)

Challenge

  • Location: Landshut, Germany
  • Project type: EPC

Solution(s)

  • Technical solutions:
    • Renovation of the Building Management System (BMS)
    • Replacement of two heating boilers with a new condensing boiler
    • Installation of a wood chip furnace
    • Reduction of hot water temperature (110 °C to 90 °C)
    • Adjustment of the temperature range on the remaining boiler via the BMS and burner (now used as a back-up boiler)
    • Construction of a new boiler house that was integrated into the existing hydraulic system through a buffer
    • Modernisation of the existing Direct Digital Control (DDC)
    • Installation of an energy manager
    • Re-programming of the control algorithms
    • Installation of new energy-efficient supply exhaust fans and motors
    • Pre-definition of the load profile to ensure energy-optimised operation

Result(s) and benefit(s)

eu.ESCO member Honeywell
Further information Andrei Litiu (Director Governmental Relations)
Diamant Building, Boulevard A. Reyers, 80, 1030 Brussels, Belgium
e-mail: andrei.litiu(at)eubac.org
Phone: +32 (0) 2 706 82 02
Fax: +32 (0) 2 706 82 10
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