1. 1.OVERVIEW 2.The SCEAF - Inputting data 3.The SCEAF - Outputs 4. Options for improving energy efficiency identified 5. Applying the DSS – possible options Baseline Review – Zaanstad

2. 1 st - 2 nd July, 2014 NTUA, D’APPOLONIA, POLITO Pilot Building: Zaanstad Town Hall Meetings with: Key staff members of the Zaanstad municipality BMS company representatives Town Hall Thermal Plant Manager Information Collected: Building’s energy profile Technical characteristics of installed equipment Town Hall’s operating schedule Occupancy levels 1.OVERVIEW 2.The SCEAF - Inputting data 3.The SCEAF - Outputs 4. Options for improving energy efficiency identified 5. Applying the DSS – possible options Baseline Review – Zaanstad

3. Zaanstad had adhered to the Covenant of Mayors but has not developed a Sustainable Energy Action Plan No specific targets for CO 2 emissions and energy reduction are set for the municipal buildings or the city The input data for the assessment framework were obtained by the Project Manager of Optimus for the municipality of Zaanstad after communication with key persons 1.OVERVIEW 2.The SCEAF - Inputting data 3.The SCEAF - Outputs 4. Options for improving energy efficiency identified 5. Applying the DSS – possible options Baseline Review – Zaanstad

4. SCEAF InputUnitWay of determination (Source)Town Hall Number of inhabitantsNACBS Statistics Netherlands 151.109 Gross Floor Aream2m2 Municipality records 18.531 Number of occupants in the pilot building NA Town Hall’s records of employees and estimation of visitors 638 Energy SourcesNAEnergy inspection electricity & gas CO 2 reduction target in municipal buildings till 2020 %Estimated 20 kgBaseline year is 2014 0 Energy consumption reduction target in municipal buildings till 2020 %Estimated 20 kWhBaseline year is 2014 0 Renewable energy sources in the final use target in municipal buildings till 2020 %Estimated 0 kWhBaseline year is 2014 0 CO2 emissionskgEstimated 309.064 Electricity Consumption kWh (2013) Records provided by the Energy Manager of the municipal buildings of Zaanstad 2.905.344 kWh (2012) Records provided by the Energy Manager of the municipal buildings of Zaanstad Expected Energy Consumption referring to fossil fuels kWh (2013) Records provided by the Energy Manager of the municipal buildings of Zaanstad 1.530.018 kWh (2012) Records provided by the Energy Manager of the municipal buildings of Zaanstad expected Energy Production from RES kWh 0 Funds devoted for renewable energy sources & energy efficiency Euros Bills from purchasing the BEMS system, sensors, the geothermal system. expected SCEAF InputUnit Way of determination (Source) Town Hall Energy cost (Electricity and Fossil fuels) Euros (2013) Energy bills expected Euros (2012) Energy bills expected Energy storage kWh Energy certification of the building– Energy inspection 0 Cogenerating Heat and Power kWh Energy certification of the building – Energy inspection 0 Envelope techniques for passive heating and cooling NA Energy certification of the building – Energy inspection 1 Monitoring Systems NA Energy certification of the building – Energy inspection 2 Automations and ICT solutions NA Energy certification of the building – Energy inspection 3 Forecasting systems NA Energy certification of the building – Energy inspection 0 Social MediaNA Information provided by the Project Manager of Optimus, on behalf of Zaanstad Municipality 0 Energy providers - Electricity NA Information provided by Zaanstad’s Energy Manager 1 2 Energy providers - Gas NA Information provided by Zaanstad’s Energy Manager 1 2 Baseline Review – Zaanstad 1.OVERVIEW 2.The SCEAF - Inputting data 3.The SCEAF - Outputs 4. Options for improving energy efficiency identified 5. Applying the DSS – possible options Zaanstad – Town Hall

5. Indicat or ID DescriptionValueScale 1.1.1 CO 2 reduction target in municipal buildings till 2020 0,200 0-1 1.1.2 Energy consumption reduction target in municipal buildings till 2020 0,200 0-1 1.1.3 Renewable energy sources in the final use target in municipal buildings till 2020 0,000 0-1 1.2.1 Medium term results for CO 2 reduction in Municipal Buildings 0,800 0-1 1.2.2 Medium term results for energy consumption reduction in Municipal Buildings 0,800 0-1 1.2.3 Medium term results for renewable energy sources in the final use in Municipal Buildings 0-1 1.3.1 Cost reduction for energy needs (gas, petroleum and electricity) in Municipal Buildings 0-1 1.3.2 Level of switching energy providers (electricity/gas) 0,300 0-1 1.3.3 Funds devoted for renewable energy sources & energy efficiency 0-1 2.1.1 Energy consumption reduction in municipal buildings 0,000 0-1 2.1.2 Percentage reduction of fossil fuels in energy mix 0-1 2.1.3 Percentage of electricity in energy mix 0,655 0-1 2.2.1 RES production intensity 0,000 0-1 2.3.1 Ability of storing energy produced (thermal storage, electrical storage) 0,000 0-1 2.3.2 Cogenerating Heat and Power 0,000 0-1 2.3.3 Exploitation of weather conditions to optimize energy performance in municipal buildings Low VL-L-H-VH 3.1.1 Monitoring Systems and BEMS Low VL-L-ML-M- MH-H-VH 3.2.1 Forecasting systems Very Low VL-L-H-VH 3.3.1 Municipal Buildings' surveillance strategies Very Low VL-L-H-VH visualisation 1.OVERVIEW 2.The SCEAF - Inputting data 3.The SCEAF - Outputs 4. Options for improving energy efficiency identified 5. Applying the DSS – possible options Baseline Review – Zaanstad Zaanstad – Town Hall

6. Space heating: Individuation of the reason of the excess use of natural gas Switching off the HVAC systems during closure of the building Passage to a HVAC regulation system allowing variable flowrate in ventilation. Regulating the use of the building to concentrate the presence of people in the offices on the same heated zones Efficient Domestic Hot Water (DHW) Production: Installing timer driven switches on the (other) electric boilers to heat water in the needed period only during low tariff times 1.OVERVIEW 2.The SCEAF - Inputting data 3.The SCEAF - Outputs 4. Options for improving energy efficiency identified 5. Applying the DSS – possible options Baseline Review – Zaanstad Zaanstad – Town Hall

7. Programming of the space heating system according to humidity levels- adjustment of the BMS accepted levels of relative humidity Input: weather forecasting data Output: Weekly indication of accepted levels of relative humidity Employees suggestion for changing their working place according to the cool and the hot areas of the building Input: Weather forecasting data, social feedback Output: A weekly schedule of working places Change of the base temperature, which is set at 22 o Celsius throughout the whole year Input: Weather data (temperature humidity, wind etc.) 1.OVERVIEW 2.The SCEAF - Inputting data 3.The SCEAF - Outputs 4. Options for improving energy efficiency identified 5. Applying the DSS – possible options Baseline Review – Zaanstad Zaanstad – Town Hall

8. Electricity records of the Town Hall for 2013 Natural Gas records of the Town Hall for 2013 Building schematics Technical data sheets of heating pump, ventilation system, cassette units Pilot site visits - Zaanstad Documents Collected Documents Expected Electricity and gas consumption concerning previous years (2012) Energy bills (electricity and gas) indicating the amount of money spent for energy, as well as energy prices, concerning the current and previous years (2014, 2013, 2012) Amount of money spent on purchasing energy efficiency and renewable energy equipment A sample database file from the Flexwhere system in order to review the database schema and the stored data.

9. Dr. Haris Doukas: h_doukas@epu.ntua.gr Mr. Vangelis Spiliotis: spiliotis@fsu.gr Mrs. Phaedra Dede: pdede@epu.ntua.grh_doukas@epu.ntua.grspiliotis@fsu.grpdede@epu.ntua.gr This project has received funding from the European Union’s Seventh Framework Programme for research, technological development and demonstration under grant agreement no 608703. The sole responsibility for the content of this publication lies with the PASTA project. It does not necessarily reflect the opinion of the European Union which is not responsible for any use that maybe made of the information contained therein.