WP6: D6.8
SUMMARY REVIEW REPORT
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Table of Content
City of Derry ............................................................................................................. 5
City of Dublin ........................................................................................................... 8
City of Graz............................................................................................................. 10
City of Malacky...........................................................................................................13
City of Maribor ....................................................................................................... 16
City of Teruel .......................................................................................................... 19
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City of Derry
1. Measures and achieved results
Average results of Implemented Projects:




Templemore boiler plant :
Valve Jacket insulation :
Steam Room Water cylinder :
Voltage regulation :
£10,589 saving/year
£2,722 saving/year 88,344 Kwhrs/year
£1,487 saving / year 57,200 Kwhrs/year saved
£10,154 saving/year projected
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Summary of the savings achieved and new projection (Horizon: 2020)
Achievements
Project Total 2020
kWh
29,949,574
CO2 (tonnes)
3,054,575
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2. Conclusions and lessons learned
The energy saving actions already implemented by Derry City Council has exceeded the annual target of a 3% reduction in energy consumption. In the first year of the project, the overall saving was
in excess of 8%. Projections indicate if Derry City Council continues to implement energy saving
measures, the nett result will be achieve 180% of the 2020 target for the city. The target will be exceeded by the implementation of projects sush as gas fired Combined Heat and Power units, modersation of existing building plant, services and control systems in the early years. Later in the project
implementation phase, innovative projects such as district heating schemes, biomass boiler plant
installation and the introdction of alternative energy sources are planned.
World economic volatility will continue to squeeze public sector spending with each project requiring a robust business plan and a short payback on investment to make the implementation successful. ESCO’s type contracts, although successful in the Untied Kingdom have not yet made the transition to Northern Ireland. ESCO type contracts will have to be considered for future high capital cost
projects as an alternatve means of finance as public sector budgets are reduced.
The Minus 3% project has been successful delivering tangible savings for Derry City Council and raising it’s profile in the European Community.
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City of Dublin
1. Measures and achieved results
Project Total
2,500,000.0
2,000,000.0
1,500,000.0
1,000,000.0
500,000.0
0.0
kW h
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Euro
Totals up to 2020
30,000,000.0
20,000,000.0
kW h
10,000,000.0
Euro
Ci
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i tc
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O
ff
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0.0
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Ballymun regeneration Project and 2020 Totals
500000000
400000000
300000000
kW h
200000000
Euro
100000000
Project Total
2020 Total
up
to
Pr
oj
ec
t
20
20
To
ta
l
0
kWh
22,312,536
98,089,456
€
1,528,640
10,237,156
2. Lessons learned




Awareness and behavioural projects are the cheapest and easiest to implement, the savings
are not as high as the bigger infrastructural projects but they are essential to introduce energy efficiency to all staff members of the City and the public.
ESCos are essential for future financing of projects in Ireland, especially in public lighting and
retro-fit, there is a need to encourage more infiltration of ESCos into the market.
Energy working groups have been extremely successful
Financing will be problematic for the foreseeable future due to the current economic conditions
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City of Graz
1. Measures and achieved results
Public buildings:
In the public building sector in the city of Graz first measures could have been realized:
 Energy audits for more than 40 public buildings
 First measures to reduce energy consumption in four schools: 175.000 kWh foreseen energy
savings per year
 The Department of environment took part in an energy efficiency competition (Energy Trophy+; low cost measures and awareness raising): 25% energy savings
 Preparation of an energy monitoring and controlling system for all public buildings
 Monitoring of architectural competitions and planning processes to get high quality and energy saving buildings (ultra low energy and passive houses): ASKÖ Centre, primary school
Mariagrün, kindergarten Prohaskagasse, kindergarten Schönbrunngasse
 Monitoring of the planning process of major renovations for high energy savings: Männerwohnheim Arche 38
 District heating initiative for social housing of the city of Graz: Conversion of single stoves to
environmentally friendly district heating systems
 Concept for awareness raising measures in primary schools and pilot action in two schools
 Public administration: Initiative to reduce stand-by losses: Shut down PCs during nights, updates during days. The initiative brought 195.000 kWh energy savings (electricity) per year.
Street Lighting and traffic lights
In a pilot project 720 lamps of the street lighting system have been modernized to a high efficient
standard. In the years 2008 to 2011 the pilot project has been successfully extended and the whole
traffic light system has been changed to LED-signals:
Measures:
 modernization of about 18.000 lamps of the street lighting system
 Calculation of the light-intensity and optimization of the load of the lamps
 First test of LED-lamps for minor roads and footpaths
 Adapting the light-control to reduce light intensity in the night
 Modernization of the traffic light-system to LED technology
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Results:
 Energy savings (from 2011 on) in the street lighting system and traffic light system:
2.770.000 kWh/year
 Reduction of energy costs 2011: 405.000 €
 Additional reduction of maintenance costs traffic light-system: 154.000 €
 Reduction of CO2 emissions 960 t/year
Sustainable mobility
The introduction of electric vehicles as the pillar of sustainable mobility in the Graz region is managed by newly established operating company, a consortium consisting of public utility companies
Holding Graz, Energie Graz and Energie Steiermark. The concept with a financial support of 1.6 Mio
Euro by the Climate and Energy Fund (KLIEN) envisages a total optimization of regional traffic system. More than 250 electric vehicles and approximately 800 single lane vehicles will be implemented. The establishment of a required charging infrastructure at public places and near businesses is
also part of the concept.
Customized mobility packages based on main mobility needs and the most likely used means of
transportation for both municipal and commercial fleets as well as for individuals have been developed. With the service concept and a connected multimodal way chain City emissions and particulate matters can be reduced.
Several measures have been implemented by Graz for boost electric vehicles:
 Establishment of public filling stations by Energie Graz as well as PV plants
 Free parking for electric vehicles within the green and blue parking zone
 Purchase of electric vehicles for the purposes of Holding Graz
 Preparation of a bike renting system (including electric bikes and scooters)
 Test and pilot phases of 4 natural gas busses and one hybrid bus of the local bus company as
well as tests with electric vehicles
 Financial support for bike parking places and bike service boxes as well as for load bikes
 Central data base for all vehicles used in the various departments of the city and the related
companies
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2. Lessons learned
Public buildings
 Renovations and energy saving measures have to planned on the long term
 Awareness raising measures in combination with low cost measures have a energy saving potential of up to 20%
 The monitoring of planning processes is of high importance to secure the high aims of energy
efficiency
Street Lighting
 Energy service models and ESCOs made big energy savings and CO2 reduction possible
 The modernization of the traffic light-system and street lighting-system of the city of Graz is a
shining example (GreenLight Award)
 Traffic light-systems and Street lighting systems have a big energy saving potential
Sustainable mobility
 Concrete action plan is needed to achieve quick results
 Savings potential regarding mobility is definitely given
 A monitoring and controlling system would also be helpful in the field of energy efficient mobility
 Clear measures for the introduction of alternative vehicles including a focus on electric vehicles as well as activities to boos mobility management are necessary and will help Graz on its
way to achieve the set targets
 Awareness raising activities are always needed an can never be enough
 The implemented working groups for the identification of adequate measures was very helpful in Graz
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City of Malacky
1. Measures and achieved results
Public buildings:
In the public building sector in the city of Malacky following measures have been realized:
 Energy audits and thermovision for 15 public buildings
 In 2009 the city finished replacement of window at Rehabilitation center Svitanie, Center for
Free Time and Primary Art School. Total enery savings of 316 146 kWh/year.
 In December 2010 the city installed on the roof of Sport hall solar 30 solar collectors for preparing hot water with maximal heat output of 55.5 kWh/day. Total energy saving potential:
100 740 kWh/year
 Since January 2010 new online monitoring e-manager has been introduced, expected savings: 70-150 thousand kWh/year
 The city introduced buildings evidence cards
 Refurbishment plan for buildings with investment measures plan for 2011 to 2015 has been
submitted to city council. In December 2011 new budget line for buildings renovation will be
approved within meeting of city council
 Raising awareness campaign (April 2010 – April 2011) – switch off campaign for City administrative building has been organised. Savings: 12 300 kWh/year
 Energy Efficiency theatre in March 2011 has been organised for 4 Kindergardens and 2 primary school for more than 500 children.
Street Lighting
Within the street lighting Energy Efficiency program an energy audit has been prepared. Proposal of
implementation model for public lighting reconstruction through Energy Performance Contracting
has been prepared and submitted to the mayor several times and presented to city council on 6 th of
November 2011. Within the reconstruction following measures has been proposed:
 replacement of 1236 pcs lamps with 1236 pcs and completion with 309 pcs of lamps
 replacement of gear boxes with new with inteligent control system
 adaptation of reserved capacity according to real load of gear boxes
 replacement of approx. 3 000 metrs of underground lines
 replacement of minimal 200 pcs. of steel poles
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Expected investment needs into PL reconstruction are 802 407 EUR excl. VAT. It is not possible to cover
this size of investment from savings of operational costs only. Because of emergency situation and necessity to solve current technical state of street lighting quickly and effectively, we proposed implementation of PL reconstruction (incl. financing) by ESCO. ESCO should cover investment 802 407 EUR (excl.
VAT) that the city should pay back within 8 years. The annual investment repayment (incl. costs for financing) is estimated in amount of 120 361 EUR excl. VAT/year. This financial model is coupled with increased need of annual budget for the PL in amount of 75 905 EUR excl. VAT/year, respectively 607 240
EUR excl. VAT within 8 years of contract period.
Expected results:
 Energy savings: 278 869 kWh/year
 Reduction of energy costs 2011: 44 456 EUR/year
 Reduction of CO2 emissions 80 796 tons/year
Mobility, waste and water management
The city of Malacky does not have public transport and the city owns only few cars. However, system
of monitoring of fuel consumption and costs coupled with its use has been successfully introduced.
Waste and water management is not under the responsibility of the city of Malacky. Within the last
two years the city applied several times for financing of new composting place and the last time in
October 2011.
Achieved results and planned savings up to 2020:
Project Total (09/2008-09/2011)
Planned energy savings up to 2020 to achieve the
goal 30% of savings in 2020 Total (2012-2020)
kWh
693,000
2,919,854
2. Lessons learned
 monitoring of energy consumption through e-manager was very successful in Malacky
 raising awareness activities and education are more than necessary to overcome certain barriers mainly influence of behaviour on final energy consumption, importance of regular service and maintenance
of energy equipment.
Public buildings
 The city has huge energy saving potential in buildings
 Current state of buildings requires investments not only into EE saving measures
 Renovation of buildings needs to be planned on the long term
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 Implementation of EE measures through EPC in buildings is still problematic in the city. Long term payback period of measures is not attractive for ESCOs.
 The monitoring of energy consumption is of high mayor importance for identifying possible energy saving measures but also to monitor failures and energy leakages




Street Lighting
the PL systems have a big energy saving potential
The only possible way to finance the PL reconstruction in Malacky is through EPC that offers financing
by ESCO
convince the municipality is very long process, requires good prepared project and strong arguments
to overcome the mental barrier that EPC is expensive
it is necessary to introduce more successful stories on Energy Performance Contracting in municipalities applied under local Slovak conditions.
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City of Maribor
1. Measures and achieved results
Public buildings
 In 150 public buildings the central energy management system with energy bookkeeping
was implemented and the yearly savings are around 216 MWh.
 The intensive education and information campaign for different target groups (city administration, headmasters, directors, accoutres, housekeepers) was led in the year 2010 and
2011. The estimated savings are 108 MWh and are related to the behavioural changes of users.
 Reconstruction of the heating system and boiler house was done in one kindergarten. The
yearly savings in energy are 132 MWh. The cost reduction of 73% was achieved and the contract period is 6 years. The city will benefit of 10% savings already in the first year of contract. The kindergarten has become from 260 kWh/m2/a to 90 kWh/m2/a.
 Special equipment for the electricity optimisation will be installed in the municipal main
building in 2011. The savings in electricity will be around 20%. The same unit was installed
for street lighting and 23% of savings are reached. The pay back periods are between 2 and 3
years.
 Due to the legislative obligation and many benefits a green procurement procedure were
implemented for energy efficient project in the city administration. The results are not
measured yet but with such procedure very efficient equipment can be ordered
 The project of energy sanitation of buildings (facades, windows, roof insulations, heating
systems) is one of the biggest projects in the city of Maribor. The investment will be more
than 50 mio EUR. A big part of it will be implemented via contracting systems and will be financed from the savings. The savings in energy use will be more than 40%. It means more
than 2 mio EUR cost savings per year.
Street lighting:
 The installation of special electricity optimisation unit was performed on the system of 60
lumps. The saving were 23% and the payback period is 2 and half year. The saving is 170
MWh per year.
 Maribor has more than 14.000 lumps and more than 90% of them are inefficient. In next 5-7
years the changing of the lumps will be performed and savings are estimated as 185 MWh
per year.
 Parallel to the lump changes the adjustment of regulation and monitoring system will be
done. It will give additional 5-15 % of savings. The modern ICT will be used.
 To have excellent energy performance of street lighting the installation of control and management system should be done. With such system the whole process of managing the
street lighting will be arranged (work process, maintain, ordering, changing system...). The
additional 15% of saving are possible. Special computerized programmes can be used.
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Car fleet




In 2010 the agency has started to implement the energy bookkeeping for fleets. It means the
monitoring of energy (fuel consumption) use, km driven, cost related to car (fuel, maintain,
taxes) and the changing of type of cars. With the analysis of data the energy efficient vehicles can be defined and the eco-driving can be observed. The savings are at least 2 MWh till
2020.
Very important part of the energy savings is information campaign for energy efficient driving. Some activities have started in 2011 and will be developed in more comprehensive way
in 2012 and on. The estimated savings that were done on some exemplary cars are 114
MWh in next 10 years.
The introduction of energy management system for car feet is necessary to achieve maximum energy savings potentials. For it the special ICT software programmes will be used.
With the analysing the data the performance indicator will be set and they will be used to
prepare the action plans for business cars and trips. With it the car pooling and car sharing
system for public sector will be possible to establish. It will lead to 15% of energy and cost
savings.
With the marked development and green public procurement more and more energy efficient vehicles will be used in public sector. It will be possible to save 20% of energy out of it.
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2. Lessons learned
Public buildings:
public buildings in Maribor are in quite bad energy efficient state. To prepare good action plan energy sanitation the energy management and monitoring system should be established. With such system the calculation on energy, costs and CO2 savings can be made. Out of it priorities can be set and
payback periods calculated. The good monitoring system also allowed the city to implement the
public private partnership and use contracting system and financing from savings. In some building
the energy savings are possible up to 80%. But very important part of good energy performance is
also the user behaviour. It means that a lot of educational and informational activities should be carried on the permanent basis. During the project some pilot projects were implemented and they are
very important too to show the real results not only calculated.
Street lighting:
street lighting is very inefficient. Maribor has more than 14.000 lumps. The possible savings are 80%
in energy and it is around 1 mio EUR per. The investments could be financed out of the savings. At
the moment city has not decided yet for using the contracting model. Payback period is up to 10
years. Together with the more efficient lumps also the system for monitoring and controlling of the
whole street lighting system should be used. It allows the optimisation of the performance of lighting and also the working processes.
Car fleet: A big potential saving in car fleets are in energy efficient cars. The city should prepare an
action plan for step by step changes of car feet in next 10 years. It is possible to have very efficient
cars and also to use renewable fuels up to 2025 in all public cars. A big part of savings belongs to the
energy monitoring and controlling systems. It gives also the possibility to use some management
changes and introduce the eco driving, car sharing or car-pooling systems. The horizontal permanent
issue are educational and informational awareness raising activities that will cause the behavioural
changes at the users.
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City of Teruel
1. Measures and results achieved
On the horizon of the 2020 year and in terms of energy end-use, a 18,719 MWh – energy consumption is expected to be registered for Teruel City; which will reduce 30% (8,021 MWh/year) of the
consumption registered by the “Baseline” (26,740 MWh/year).
Directly linked to the above mentioned, a 3,500 Ton CO2/year reduction of the volume of the green
house gas emissions (GHG) will be reached too. This aspect is reinforced by the support of the city
for generation systems of renewable energy (thermal solar generation and photovoltaic mainly).
In the temporal framework of the Project and by applying the efficiency measures defined in the
PAEE-I of Teruel City (2014 Horizon), following savings have been generated:
Action ambit
Monitoring, training,…
“Public buildings”
“Public lighting”
“Water management”
“Clean generation”
TOTAL average saving
reached by 2012
Average annual savings generated by action areas MWh/year (End energy)
Annual av2009
2010
2011
2012
erage savings
27
13
13
13.25
43
13
2
51
27.25
431
13
104
1,258
451.50
66
133
49.75
30
7.50
501
105
282
1,309
549.25
% Baseline
0.05%
0.10%
1.69%
0.19%
0.03%
2.06%
The measures applied have been:
1.1.
Planning and awareness campaigns.



1.2.
Permanent monitoring of the energy consumption of the city.
Applying of the lessons learnt and efficiency measures with contrasted results, BPs and
BATs.
Campaigns for training and information addressed to public managers and public in general.
Municipal buildings.






[City hall]: Automatic double door to reduce thermal losses.
(El Campillo health centre]: Removal of the roof and redistribution of indoor spaces.
[Las Viñas Sports centre]: Substitution of the burners of the heating boiler.
[Los Planos Sports centre]: Use of the thermal-solar installation for heating.
[San Fernando Sports Centre]: Redistribution of spaces and thermal-solar installation.
[El Ensanche School]: Improvement of the building insulation (Renewal of windows).
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19


1.3.
[Las Anejas School]: Change of the gasoil boiler and installation of a biomass one. (ESCO project).
Other efficiency measures for indoor lighting.
Public lighting.




1.4.
[Renewal of the lighting and equipment]: Applied to five areas of the city.
[Valdecebro neighbourhood: Renewal and extension (MV125/250W by LED36x1W).
[Public lighting]: Adjustment of the on-off schedule (-15 daily minutes); energy audit and ESCO contract for its management.
[Traffic control]: 16 traffic lights integrating LED technology (Baseline: 43 traffic lights).
Management of the water supply and treatment.

1.5.
[Water supply service and drains]: Outsourcing of the service.
Generation of “clean energy”.

[Santa Emerenciana] solar photovoltaic installation (20 kWp) (Ceiling: 1,492 hours/year).
Summary of savings reached and new scope (Horizon: 2020 year)
From 2009 and in a 12 years balanced scope, to reach the 30% reduction objective by 2020, the annual average saving should have reached 2.50% (669 MWh/year) of the base line consumption.
The annual average saving reached in the 2009-2012 period by measures applied or on-going until
2011 has been 2.06% (549.25 MWh/year); which is coincident with a progressive trend to the “Minus 3%” project objective and it demonstrates the trend of the city to reach the 30% reduction objective by the end of 2020.
From 2012 and in order to compensate the until now non-reached 0.44% saving, the average annual
reduction should be 2.72% to fulfil the 30% reduction objective by 2020.
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Please see the evolution of consumptions registered by measures implemented or on-going in the
following table:
Evolution of consumptions and savings (2009-2020) in MWh/year (end-use final)
Consumption in base line (2001-2005): 26,739 MWh/year
Objective in 2020: 18,717 MWh/year (reduction: 30%)
Savings reached by actions impleNew saving objectives foreseen
mented or on-going
(2020 Horizon)
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728 MWh/year
ings
1
5
2
0
9
(%
)
1
.
8
7
%
0
.
3
9
%
1
.
0
5
%
4
.
9
0
%
2
0
2
0
1
8
.
7
1
7
1
8
.
7
1
7
2.72% anual saving/Consumptions in base line
To calculate annual consumptions and savings, those savings generated by the new measures implemented and effective from such year have been considered; without taking account the savings
generated the former years, already consolidated.
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The sole responsibility for the content of this documentation lies with the authors. It does not necessarily reflect the opinion of the European Communities. The European Commission is not responsible for any use that may be made of the information contained therein.
[ WP6 – D6.7: National Review Report ]
21
2. Lessons learned
2.1. Baseline of energy consumptions.
The initial effort needed to set a Baseline (energy inventory of the city) is worth by the data obtained; it is an essential tool for making-decisions procedure.
To avoid the important constraints that can arise for any Town Council when the energy management methodology is changing radically; it is advisable to use the control system of the energy expenses usually applied by the City Council as much as possible. Although the lowest distortion criteria are applied for the adaptation and internalisation of the data collection models, the definition of
the protocols and the documental flow for monitoring consumptions; these are processes involving
their inherent difficulties when they are being applied and taking long terms.
When data collection, it is important to work with the highest disaggregation level as possible. In this
way the consumption differentials will result easily identifiable in the future, by end-uses, services or
departments.
2.2. Planning and awareness campaigns
This is the most difficult measure to quantify, so that its result could be calculated by the subtraction
of the total saving quantified in the city less the total savings generated by the rest of the measures.
2.3. Municipal buildings
When calculating the reduction percentages of the total consumptions of the service where the
measure is applied, the benefits derived from such applying are diluted in the total figure and they
can seem rather average. Please pay attention to the fact that the calculation is not done to the specific element the measure is implemented. Most of the cases, the actions correspond to the necessary works in which the efficiency in an added value; so that the pay-back period is not representative.
Supported by
The sole responsibility for the content of this documentation lies with the authors. It does not necessarily reflect the opinion of the European Communities. The European Commission is not responsible for any use that may be made of the information contained therein.
[ WP6 – D6.7: National Review Report ]
22
As an additional benefit, in energy savings terms, they are profitable by measure applied and impact
for sensitization, but they would not be in financial terms.
2.4. Public lighting
By its high representativeness of the total consumptions, those measures applied to this action ambit have an important incidence in the global reduction of the energy consumption and emissions.
2.5. Management of water supply and treatment.
Its outsourcing neither represents an expense nor consumption for the Town Council anymore. It receives an annual canon of the company responsible for the improvement and energy optimization of
the Service.
2.6. Generation of clean energy
It could be considered that it is not an energy service itself strictly, since it does not reduce the consumption directly; but it compensates the same energy consumption generated, that should be
taken from the conventional means; and it allows recovering the facility with the sale of the energy
generated.
2.7. Other considerations
The current juncture obliges public administrations to reduce its expense and therefore the intensity
of the investments. For the afore mentioned reason, the low cost actions having demonstrated their
effectiveness in cost/benefit ratio and economic terms will be given priority, or those that can be
outsourced with ESCOs/ESE. In coherence with the above paragraph, the Teruel City PAEE has been
structured in the time in successive plans that the Town Council will shape according to the achievement of the objectives set in former Plans and the evolution of the context and existing juncture.
Supported by
The sole responsibility for the content of this documentation lies with the authors. It does not necessarily reflect the opinion of the European Communities. The European Commission is not responsible for any use that may be made of the information contained therein.
[ WP6 – D6.7: National Review Report ]
23