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Elope-Analysis 1. Energy consumption at IWZ Campus floor space electricity (all

93.123 sqm

buildings) gas (main

78.559 sqm

building) district heat


(old building)


active energy

load peak

5.600 MWh/a

60 kWh/(m²a)

1.664 kW

10.400 MWh/a

132 kWh/(m²a)

6.124 kW

1.379 MWh/a

70 kWh/(m²a)

Electricity consumers: light, multimedia, laboritaries, building equipment, mensa, decentral water heating Warmth consumers: heating

Picture 1: building standards

Picture 2: energiestardards as per energiepass (

- Heat Conspumtion o

main building: WSVO 1995


old building: achives EnEV 2009

-> in future less consumption needed for main building -> standard ZeroEnergy-House better Plus-Energy-House

The EEWärmeG from 2009 claims using of renewable energy for heating in newbuilt buildings At least: 15% trought solar energy or 30% throught biogas or 50% throught solid / fluid biomass or 50% throught geothermal or environment warmth

2. Central or decentral supply system


Basic question


Depends on architecture and use


We decided to have decentralised campus

central plus



only on main supply

decentral -

flexible -> different buildings


don’t depend on each other -

less maintenance

> easy renovation, selling…


can be used as experimental equipment for students


different systems possible


easier regulation: because smaller system


less losses through transportation



no flexibility


More maintenance


when broke, hole


More controlling

building effected


inbetween solution: grouped supply ->nearby buildings can share systems -> redundancy


different systems for student work -> means more space in technical rooms ->gives insight in real situation


in transit time: only one system needs to run


these point for heating, cooling, climatization


water heating-> decentral ->because in university small hot water consumption

3. Different senarios to achieve energy covering -

block heat and power plant


to cover warmth in winter


produce electric energy

Picture 3: block heating station (


to use waste heat in summer there should be used a cooling machine with can be powered with hot water


two different options


adsorber and absorber

Picture 4: absorber cooling machine (source: berliner energieagentur)

Picture 5: adsorbercooling machine (source: berliner energieagentur)


use photovolataic panels to produce electric energy

Picture 6: net- coupled photovoltaic systems (


another possibility to produce warmth in winter or/and for cooling machines


heat pump


can be fed by air or ground soil ->bigger potential with soil feeding

Picture 7: heat pump (


alternative wood pellet heating system


disadvantage: big storage space for pellets needed

Picture 8: wood pellet heating system (


additional option: calorific value boiler

Picture 9: calorific value boiler (

Some possibilities to reduce consumption •

tight/ isolated building envelope

small transient value

in summer external sunblind

right using of natural ventilation

smart grid systems (

good regulation of the systems

promote users awareness for right use

presents detectors for light

energy saving equipment

Energy analysis  

energy analysis

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