DIPOTAMIA : ZERO CARBON COMMUNITY –“DESIGNING A GREEN VILLAGE IN KASTORIA REGION”

Konstantinos DimopoulosAEIFORIKI CONSULTING

αειφορική συμβουλευτική Ε.Π.Ε.ΟΛΟΚΛΗΡΩΜΕΝΗ ΣΥΜΒΟΥΛΕΥΤΙΚΗ ΥΠΟΣΤΗΡΙΞΗ

Green Villages: The Program

• Program: Green Agricultural and Insular Villages: New Model for Growth

• Authority: Center for Renewable Energy Sources, Athens, Greece (www.cres.gr)

• Funding: 50 mil.€

• Targets: Using energy saving measures and renewable technologies, to achieve Zero Carbon Equilibrium or Zero Energy Equilibrium

• Long term: Pilot projects, with local characteristics, demonstrating the “Sustainable Growth” model

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W I T H F U N D I N G F R O M G R E E C E A N D E . U .

Dipotamia : Zero Carbon Village

• Dipotamia: Small village, part of Nestorio municipality, in Kastoriaregion

• 456 inhabitants

• 230 domestic (active) and 5 public buildings

• Main activities: agriculture and livestock

• Regional activities: logging and fur industry

• Production of approx. 70.000 tn wood +15% residues, annually

• Tourism activities: hunting tourism in Grammos mountains, River Party in Nestorio

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Location:

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Dipotamia

5

Dipotamia : Energy Consumption

6

Elec

trici

ty

Hea

ting

(oil)

Petro

l

Die

sel

LPG

Sola

r

Biom

ass

Tota

l

T.O.E.

Build

ings

, In

frast

ruct

ure

Public Buildings 1,6 29,7 0,0 0,0 0,0 0,0 0,0 32,8

Infrastructure 4,2 0,0 0,0 0,0 0,0 0,0 0,0 4,2

Street lighting 11,1 0,0 0,0 0,0 0,0 0,0 0,0 11,1

Domestic sector 53,4 328,5 0,0 0,0 0,0 4,1 957,4 1.343,4

Commercial buildings 13,5 260,5 0,0 0,0 0,0 0,0 0,0 274,0

Subtotal 83,8 618,7 0,0 0,0 0,0 4,1 957,4 1.664,0

Tra

nspo

rtatio

n Public vehicles 0,0 0,0 0,0 8,3 0,0 0,0 0,0 8,3

Private vehicles 0,0 0,0 166,5 3,3 3,2 0,0 0,0 173,0

Commercial transportation 0,0 0,0 48,8 42,2 0,6 0,0 0,0 91,6

Subtotal 0,0 0,0 215,3 53,8 3,8 0,0 0,0 272,9

Total energy consumption 83,8 618,7 215,3 53,8 3,8 4,1 957,4 1.936,9

Total energy consumption [MWh] 979 7.164 2.512 582 83 48 11.170 22.540

Dipotamia : Carbon Emissions

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Elec

trici

ty

Hea

ting

(oil)

Petro

l

Die

sel

LPG

Sola

r

Biom

ass

Tota

l

tnCO2

Build

ings

, In

frast

ruct

ure

Public Buildings 19,0 83,2 0,0 0,0 0,0 0,0 0,0 102,2

Infrastructure 47,8 0,0 0,0 0,0 0,0 0,0 0,0 47,8

Street lighting 112,9 0,0 0,0 0,0 0,0 0,0 0,0 112,9

Domestic sector 542,0 907,1 0,0 0,0 0,0 0,0 0,0 1.449,1

Commercial buildings 137,5 729,1 0,0 0,0 0,0 0,0 0,0 866,6

Subtotal 859,2 1719,4 0,0 0,0 0,0 0,0 0,0 2.578,6

Tra

nspo

rtatio

n Public vehicles 0,0 0,0 0,0 24,5 0,0 0,0 0,0 24,5

Private vehicles 0,0 0,0 454,0 9,6 7,5 0,0 0,0 471,1

Commercial transportation 0,0 0,0 133,2 124,1 1,5 0,0 0,0 258,8

Subtotal 0,0 0,0 587,2 158,2 9,0 0,0 0,0 754,4

Total carbon emissions 859,2 1719,4 587,2 158,2 9,0 0,0 0,0 3.333,0

Dipotamia : Energy figure

• Houses are the largest energy consumer

• Biomass is the main energy source of domestic heating (2/3 of total). Inhabitants purchase the necessary wood supplies in discount price from the local timber association.

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2% 1%

69%

14%

9%

5%

Energy comsumptionPublic Buildings

Infrastructure

Street lighting

Domestic sector

CommercialbuildingsPublic vehicles

Private vehicles

• Wood is usually burned in stoves, with less than 50% efficiency

• Oil and electricity consumption and private transportation is the main CO2 emissions source

Dipotamia : Action Plan

Energy Saving

• Improvements in building’s envelope in 183 domestic buildings and 5 public buildings

• Installation of 118 LED lights, replacing 125W HQI.

• Installation of energy efficient pumps for potable water supply.

• Purchase of one 1,5 tn, 7kW electric garbage truck

Energy Production

• Centralized energy unit:• Installation of a 3,5 MW, hot

water biomass boiler. • Development of a district

heating network• Installation of a 0,6 MW ORC

cogeneration plant• Electricity is supplied to the

distribution network with feed-in tariff

• Heating bills are collected via water supply authority

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Total budget: 8 mil. €

Dipotamia : Energy models - houses

• Domestic buildings

• Energy audit in each house, according to Greek Energy Efficiency Standards (KENAK)

• Development of 9 energy models, for the simulation of the overall energy behavior.

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Building material Model Floors Area

[m2]Windows

[m2]Doors [m2]

Glass type

Frame type Heating system Overall EE

ActionsNo

Action

Stone

Μ1 1 75 12 2 Single Wood Wood stove 4% 3% 1%Μ2 2 100 16 2 Double Metal Wood boiler 22% 18% 4%Μ3 2 100 16 2 Double Metal Oil boiler 10% 8% 2%Μ4 2 100 16 2 Single Wood Wood stove 18% 15% 4%

Concrete before 1989

Μ5 2 100 16 2 Double Metal Wood stove 4% 3% 1%Μ6 2 100 16 2 Double Metal Wood boiler 9% 7% 2%Μ7 2 100 16 2 Single Wood Oil boiler 8% 6% 1%

Concrete after 1989

Μ8 2 100 16 2 Double Metal Wood boiler 22% 18% 4%Μ9 2 100 16 2 Single Metal Oil boiler 2% 2% 0%

100% 80% 20%

Dipotamia : Energy saving measures - houses

• Energy saving measures include:

• Roof insulation

• Building’s envelope insulation

• Energy efficient windows

• Solar collectors for domestic hot water

• Energy savings:

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Current primary energy consumption

Primary energy consumptionafter energy efficiency measures Primary energy savings

Annual energy consumption Fuel Annual energy

consumption Fuel Annual energy consumption Percent.

Heating MWh 14.111,5 Biomass / oil MWh 4.951,7 Biomass MWh 9.159,8 65%

Cooling MWh 0,0 Electricity MWh 0,0 Electricity MWh 0,0 0%

Hot water MWh 1.078,0 Electricity / oil MWh 583,6 Electricity MWh 494,4 46%

Total MWh 15.189,5 MWh 5.535,3 MWh 9.654,2 64%

0,02,04,06,08,0

10,012,014,016,0

Current primaryenergy

consumption

Primary energyconsumption after

E.E. measures

Primary energysavings

Dipotamia : Energy measures – CHP / DH

• Renewable energy production unit:• 3,5 MWth biomass boiler for hot water production• 0,6 MWel Organic Rankine Cycle cogeneration unit• 7,5 km District Heating network

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philippopoulos energy technical s.a.

Dipotamia : Energy measures – CHP / DH

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Central energy unit equilibrium

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Boiler Losses3500MWh

(17%)

Exhaust and ash losses350MWh

(2%)

Cogeneration losses

150MWh(1%)

Electricity production3.380MWh

(16%)

DH network losses

670MWh(5%)

20.880 MWh(100%)

17.380 MWh(83%)

17.030 MWh(82%)

16.880 MWh(81%)

13.500 MWh(65%)

Fuel (Biomass)

12.773 MWh(60%) District

Heating 12.773 MWh

(60%)

Carbon equilibrium

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ActionsCurrent CO2e

emissionsCO2e emissions

savingCO2e emissionscompensation Balance

(tnCO2/a) (tnCO2/a) (tnCO2/a) (tnCO2/a)

A Current CO2e emissions 3.333,00B Energy EfficiencyB.1 Domestic sector 907,1B.2 Public buildings 37,1B.3 Street lighting 89,3B.4 Transportation 11B.5 Water supply system 7,7

Total energy efficiency 1.052,20C Compensation (RES)C.1 Small private PV 333,5C.2 Cogeneration plant 2.719,80

Total compensation 3.053,30D Total (tnCO2/a) 3.333,00 -772,50

-0,80

0,20

1,20

2,20

3,20

A B.1 B.2 B.3 B.4 B.5 C.1 C.2Thou

sand

s tnC

O2/

a

Carbon equilibrium

Benefits

Inhabitants

• District Heating at very low price: 40,0€/MWh

• Higher thermal comfort after the interventions

• No need for individual fuel (wood) management

• Reduced energy expenses via smart electricity metering network

• Potential for new local business activities

Municipality

• Green energy innovative project for Greece

• Increased regional attention after dissemination actions

• Creation of 10 new working positions

• Population maintenance• Development of Public –

Private green initiatives• Supporting local tourism

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Thank you

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