April 20, 2023 EL-TEC Mulej, d.o.o. 1

Local, efficient, clean

Damjan Mulej

Heating without global warming, Euroheat &Power Conference, Brussels, 5 June 2008

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Content

1. Presentation of the El-tec Mulej company

2. Energy management and our activities

3. Project samples

4. Conclusions

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We contribute to lowering energy consumption and help to preserve the environment.

Mission and slogan

energy of the green future

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To become the leading provider of integrated solutions in the South-East Europe in the fields of:

district heating systems; water supply systems; efficient lighting; energy management.

Our vision

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Business information:

Revenues: € 7 million Employees: 43 Four daughter companies:

in SLO: Protena

in Serbia: El-tec Mulej Niš

in Croatia: Energoglobal

in BiH: El-tec Mulej BH

Places of operation

Places of business operation

Slovenia, Serbia, Bosnia and Herzegovina, Croatia,

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Energy management objectives

EM stands for a continuous optimization of energy and water consumption, which can be achieved by:

Optimal planning and choice of energy equipment Professional installation Maintenance Control and supervision of results

EM objectives:

Reducing costs / reducing energy (water) consumption Reducing the harmful effects to the environment

PROJECT OF ENERGY PERFORMANCE CONTRACTING

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Project MO Kranj

Municipality of Kranj, 53,000 inhabitants; Public tender in 2001 for a group of 14 buildings; Help of state institutions (tender, agreement…); The contract was signed in October 2001

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Basic agreement

MAIN SERVICE OF THE CONTRACTOR –

guaranteed savings Reference period: 1 Januar 1999 to 31 December 1999 Date of implementing the main service: 1 September 2002 Termination of agreement: 31 August 2017 Financing from the contractor: repayments dependant on

the achieved savings The measures in the first year only on nine objects

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Basic measures

Replacing worn-out heating equipment (boilers,

pumps,…);

Isolation on installations;

Modernization or implementation of regulation

for internal central heating installations;

Hydraulic balancing;

Implementing remote control;

Modernizing lighting.

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Basic agreement

Energy consumption cost basis: Heating: € 319,745Electricity: € 187,032TOTAL € 506,777

Ensured savings: Heating: € 48,393Electricity: € 9,120TOTAL: € 57,513

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Savings from 15% to 50%;

The biggest savings were achieved in the 2006/2007 period, when the value of the DD achieved only 72% of reference value;

Features of past financial periods

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Results

Savings in five financial periods

-40,00

-30,00

-20,00

-10,00

0,00

10,00

20,00

30,00

40,00

50,00

60,00

1 2 3 6 7 8 10 12 13

%

2002/2003

2003/2004

2004/2005

2005/2006

2006/2007

guar.savings

OLYMPIC SWIMMING POOL

Olympic swimming pool

Olympic swimming pool

Total investment 780.000 €

Costs for energy – baseline 260.700 €

Guaranteed savings 102.970 €

Contract period 10 years

INDUSTRY LIGHTING -

STEEL INDUSTRY ACRONI

Industry ligtning

4 objects Total investment

2.420.000 € Reductions

52% on conected power 54% on electricity consumption

Contract period 5 years

Industry ligtning

Before Now

Electricity consumption

16.977 MWh/year 7.756 MWh/year

Conected power 2069 kW 975 kW

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Conclusions

Good practice examples are a good encouragement for others and also for us (other projects);

Act local, reduce global warming

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www.el-tec-mulej.com