proud to save! - bei der Dimitroff Unternehmensberatung
proud to save! - bei der Dimitroff Unternehmensberatung
proud to save! - bei der Dimitroff Unternehmensberatung
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Erik Gabrel<br />
in Es<strong>to</strong>nia: Best Practice Examples<br />
Geothermal Energy for the<br />
Heating of Apartment Building<br />
“High fuel prices demand <strong>to</strong> study alternative<br />
solutions”<br />
Energy concept description: The heat supply for the existing building<br />
(1105,48 m 2 ) is carried out via DH from light oil firing boilerhouse.<br />
DH heat prices have grown fastly and alternative heating option<br />
using heat pump is consi<strong>der</strong>ed.<br />
► Heat source is horizontal un<strong>der</strong>ground heat collec<strong>to</strong>r<br />
► Heat pump Nibe Fighter 1330 – 40 is recommended<br />
► Peak load is covered by electrical boiler<br />
Results:<br />
Company: OÜ Livilla<br />
Branch: real estate<br />
Products/services: heating<br />
Employees: 5<br />
Energy concept author: Erik Gabrel EUREM I<br />
Contact: erik.gabrel@pkcgroup.ee<br />
Energy saving potential: 221 MWh/year<br />
Energy source: electricity<br />
Cost reduction: 14.385 €/a<br />
Co2 saving potential: around 0<br />
Investment costs: 63.757 €<br />
Pay-back time (static): 5 years<br />
Likelihood of implementation: medium<br />
Apartment Building in Kurtna settlement, selected for Study<br />
Janek Trumsi<br />
Company: AS Tallinna Küte, Tallinn<br />
Branch: network unit<br />
Products/Services: DH (District heating)<br />
Employees: 250 (site, where the project work is<br />
carried out)<br />
Energy concept author: Janek Trumsi, EUREM I<br />
Contact: janek.trumsi@dalkia.ee<br />
Hydraulic interconnection of<br />
two DH regions in Tallinn<br />
“Energy conservation is on the forefront<br />
for all enterprises”<br />
Energy concept description: The aim of the direct interconnection<br />
is <strong>to</strong> optimise the network operation, reduce heat losses, pumping<br />
energy costs, maintenance costs and improve the efficiency of Väo<br />
CHP (Cogeneration of Heat and Power) plant.<br />
► Current situation – two large DH networks are hydraulically<br />
independently connected through heat exchanger<br />
► Operation without heat exchangers allows <strong>to</strong> reduce temperatures,<br />
heat losses and pumping costs<br />
► For that a new bypass should be built and all open consumer<br />
substations supplied with heat exchangers<br />
Results: Energy saving potential: 5.582 MWh/a heat<br />
and 400 MWh electricity<br />
Energy source: biofuel, natural gas, oil<br />
Cost reduction: 210.000 €/a<br />
Co2 saving potential: 7.178 t/a<br />
Investment costs: 501.000 €<br />
Pay-back time (static): 3 years<br />
Likelihood of implementation: high (2008-9)<br />
Laagna<br />
Pumping<br />
Station with<br />
Heat<br />
Exchangers<br />
and Pumps
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