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11. Energy performance

11A. Present Situation Describe the present situation and development in relation to housing over the last five to ten years, using quantitative data. List any disadvantages resulting from historical, geographical and/or socio-economic factors which may have influenced this indicator area. Make reference to:

1. Energy consumption & performance of municipal buildings (in KWh/m2) according to your current Development or Action Plan;

2. The development so far and the current strategy of the renewable vs non-renewable mix of energy sources during the past 10 years (for both heat and electricity; expressed in KWh, MWh or GWh);

3. The current plan for integration and performance of renewable energy technology in municipal buildings and homes compared to the total energy use, (in KWh/m2);

4. The current plan of compatible and integrated district heating energy and of combined heat and power energy consumption compared to the total energy use, (expressed in KWh, MWh or GWh);

5. The current plan for increasing energy efficiency and decreasing the use of energy in municipal buildings and homes, expressed as energy saved (in KWh/m2);

6. The current plan for increasing the use of LED lamps in public lighting. 600 words

Vision of Ljubljana 2025: sustainable city

Despite limited possibilities of RES use owing to geographical and environmental aspects(temperature inversions, poor ventilation, Natura2000, water protection areas, etc.), Ljubljana has been successfully implementing its vision.

EE and RES are covered in the following key documents:

1. Sustainable Energy Action Plan 2020 (SEAP) 2. Environmental Protection Programme 2007–2013 3. Sustainable Mobility Plan 2020 (SMP) 4. Electromobility Strategy (2013)

SEAP effects:

16% reduction in final energy consumption in the us e of heat in buildings and fuels in transport;

RES use is provided through the introduction of biofuels in transport, wood biomass in the heat and electricity supply segment, the use of solar energy, the installation of heat pumps, and hydroelectric plants. In 2020 the share of RES in final energy consumptio n will exceed 20%;

with 30% CO 2 reduction we will exceed the Covenant of Mayors’ objective; effective energy planning at the local community le vel.

Data for all city buildings (2008) with a total heated surface approx.540,000m2 are: specific total annual energy consumption 198kWh/m2a (electricity 41kWh/m2a, other fuels and energy for heating 157kWh/m2a). By the end of 2013 we will analyze the effectiveness of the measures implemented.

EE residential and public buildings investments include installation of energy-saving appliances, additional thermal insulation, EE windows installation, all radiators are equipped with thermostatic valves, use of solar energy to produce heat and electricity, modernisation of public lighting.

Additional funds to improve EE and introduce RES:

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We signed a contract with the EIB (2013) for the Energy Retrofit of Public Buildings in the City of Ljubljana (EOL) project, co-financed through the ELENA technical assistance (grants: €1,348,560). We introduce a modern energy management and prepare the baselines for inv estments in EE and RES projects (€28–50 million), among other possibilities implemented by means of energy contracting.

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In 2013 the public company Energetika Ljubljana allocated subsidies (€885,000) to individuals for the implementation of EE measures. Savings: 18,960MWh/year (annual electricity sales 1%).

District systems

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SEAP defines district heating system and natural gas supply as priority systems in the field of energy supply, followed by RES use and energy consumption reduction through measures in energy systems and buildings. The share of households connected to both systems is 72.4%. Public lighting is among the most modern in Europe We are replacing existing lighting with energy-saving ligh ting, LEDs respectively (savings:churches 80%–90%, Žale cemetery 90%, Energetika 74%, Vodovod-Kanalizacija 30%). Despite the increase in the installation number, we significantly reduced the connection power from 9MW (2000) to 2.95MW (2013).

We are introducing intelligent road lighting systems (2013: €1,451,993).

RES

The city centre is cowered by district heating system. High efficiency is ensured through cogeneration of electricity and heat (CHP) at Termoelektrarna Toplarna Ljubljana (TE-TOL), where to the primary fuel coal (92%, with a very low sulphur and ash content) wood biomass (8%) is added. Annual coal consumption is reduced by approx.36,000tonnes (80,000 tonnes of CO2 less) . We produce 33 GWh of electricity and 90G Wh of heat from wood chips. The share of wood biomass at TE-TOL represents level 40% of elec tricity produced from cogeneration using wood biomass at the national, which is the bi ggest contribution of RES in district systems.

Solar power is, for environmental reasons, the most suitable RES in Ljubljana. The total energy

potential of solar irradiation is approx. 281,000GWh/a.

The first photovoltaic plant (PV) was built in 2007, by the end of 2012 the number had reached 99 (6,571.19kW). The number of small hydropower plants and heat pumps is increasing.

Energy for own needs

2015

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11B. Past Performance Describe the measures implemented over the last five to ten years concerning energy, as a qualitative narrative. Comment on which measures have been most effective. Make reference to:

1. Attempts to improve the energy performance of municipal buildings above national requirements; 2. Maximising and prioritising the use of renewable energy technology in municipal buildings and

homes; Measures to improve the City’s overall energy demand performance preferably including both local government institutions, local market actors and citizens;

3. Measures to facilitate integrated district systems and a more sophisticated city-wide control. 800 words EE above national requirements

Ljubljana is one of five European capitals with two scenarios to reduce CO2 emissions by 50% or 80% by 2050. In the study we showed that we can achieve both scenarios .

Four crematorium ovens with flue gas cooling system (2005): we are the first in Slovenia and among the first in Europe.

TE-TOL represents at the national level around 40% of green electricity produced from cogeneration using wood biomass.

The City’s Public Housing Fund (PHF) is the only Sl ovenian public company that is building

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low-energy and passive housing.

EE construction

Last ten years: approx.€7,000,000 for the energy retrofit of public buildings.

Last five years: approx.€1,200,000 for the energy retrofit of sports facilities.

We implemented superior energy solutions in the construction of the country's largest sports and recreation facility, the Stožice Centre (Slovenian biggest district cooling system ) (€2,600,000).

Last five years: PHF (responsible for implementing the national housing programme in Ljubljana) has invested €20million for the energy retrofit of housing stock . PHF manages around 3,300 dwellings. We cooperate with domestic experts and are involved in numerous EU projects. We are a national and international model in EE construction (Gold Me dal at the International Trade and Business Fair2013 for an EE building: low-energy residential /business neighbourhood (2011)(€17,930,690) with 42kWp PV and solar collectors for heating water).

We replaced all asbestos roofing and thermally insulated the roofs of schools and nurseries (€16,500,000).

Other measures District heating system comprises 259 km of hot water network . Around 90% of the heat in the system is from combined heat and power generation. In 2012 45.1% of dwellings in the city were heated .

We are extending the natural gas supply network into suburban municipalities. In 2012 34,414 (27.3%) of dwellings in the city and 2,509 dwellings in sub urban municipalities were heated by natural gas (length of network: 1,030km). Through the upgrading and connection of buildings to the district heating system, and the gas supply network we reduced CO2 emissions by 489,902 tonnes (2012).

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The improvements of the hot water network

Through optimizing the system, we will significantly reduce network heat loss, operational costs and increase efficiency. The system backbone is almost completely renovated, followed by the hot water supply network renovation.

District cooling

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Awareness-raising

European Sustainable Energy Week, presence at fairs.

Free advice on measures to achieve more efficient energy use is available to citizens in our energy advice office (2005-2012:more than 4,000 citizens).

Websites, social networks (highlights):

o the innovative TE-TOL mobile portal (online emissions data) among top 5 in the world: World Summit Award2010 . We are the national winners and Slovenian representatives in the global initiative for sustai nable development: Energy Globe Award2013.

o We are running the "Ljubljana, smart city" project serves to inform, educate and actively involve citizens (exhibitions, prize competitions, surveys,etc.).

International/national/regional fairs, conferences (the biggest):

o Traditional sustainable construction fairs organised by the Ljubljana Exhibition and

Convention Centre (e.g. Dom 2013 (since 1962): 33 countries, 55,000 visitors; Nature-

Health 2012 (since 1969): 16 countries, 22,000 visitors).

o World Engineering Forum on sustainable construction for people 2012: more than

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70 countries.

o In cooperation with the GoForeSight Institute, for the third year we are organising the

international conference Ljubljana Forum to promote opportunities for future sustainable

development of cities and metropolitan areas of the South-East European

region.Stakeholders from all spheres in Slovenia and abroad attend.

Support for the modern technologies development:

Key projects in waste management and waste-water tr eatment As part of the upgrading of the Regional Waste Management Centre ( RCERO) in accordance with the latest technological guidelines, we have built a leachate treatment plant (2011) and a new disposal area (2009), while for the most demanding part of the project (construction of waste recovery facilities ) trial operation starts in 2015.

Sustainable mobility, energy consumption and CO 2 emissions SMP defines sustainable mobility targets in the city until 2020.

Through Electromobility Strategy (the first programme of it s kind in Slovenia) , we are enhancing the introduction and development of electromobility.

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Implementation of the Integrated Cycling Strategy (CIVITAS ELAN project).

Introduction of compressed natural gas in transport : the first public CNG filling station in Slovenia opened in Ljubljana (2011).

Clean buses : of the 209 vehicles in the city bus fleet, 39 conform to the EURO V standard and 21 to the EEV standard (28.7%). The three EVs operating in the city centre are not included.

Urban Ecological Zone: minimum use of energy in the urban transport sector

Ecological zone (2007) in the city centre (national example of good practice:"Slovenia reduces CO2") is closed to all motorized traffic. We have increased pedestrian areas in the city centre by almost 620% and changed the transport regime of the city's traffic artery. It is one of our most important sustainble moblity projects (see Indicator 2).

In the zone residents and visitors can use "Kavalir" EVs (free of charge).

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11C. Future Plans Describe the future short and long term objectives for energy plans and the proposed approach for their achievement. Include measures adopted, but not yet implemented, and details for future measures already adopted. Emphasise to what extent plans are consolidated by commitments, budget allocations, and monitoring and performance evaluation schemes. Make reference to:

1. The city's strategy to achieve goals by 2030 and 2050 (% of renewable energy share of the total energy supply);

2. The city's strategy regarding renewable vs non-renewable energy mix, as well as of the renewable energy mix per se (the percentage of different renewable energy sources). Describe the dynamics of energy mixes for at least the coming two decades, preferably add diagrams to describe this dynamic development;

3. Other measures affecting the total energy use in the city, e.g. changes in transport and communication systems, industrial practices, food and commodities production and consumption, urban morphology and import and export chains.

771 words The basic target is 20-25-20. In this way we exceed the Covenant of Mayors’ objective. In a special study, we proved that we can achieve a reduction of CO2 emmissions by 50% and 80% by 2050. SEAP 2020, a modern EE and RES concept (2011):

intensive introduction of technology for the RES use and substitution of environmentally less clean fossil fuels with RES or more acceptable energy products,

improving EE at manufacturers, energy converters and among consumers. SEAP was prepared by a special expert group of public, state, university, industry and business representatives (objectives: see Indicator 11A).

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Already selected investments for energy preformance improvement in kindergatens and primary schools in

2013 and 2014 amount to at least €17 million.

EE and RES use:

continue the energy-efficient refurbishment of buildings ;

replace extra light heating oil and liquefied petroleum gas with connection to the district heating system or natural gas system. We will introduce additional CHP units;

increase the share of district cooling systems ;

install the latest high-efficiency systems (heat pumps, CHP plants and condensing boilers);

upgrade the intelligent road lighting system and switching to LEDs and other modern lighting technologies .

increase the use of public transport , ensure even better conditions for cyclists and CNG-powered vehicles , widen the ecological zone , follow SMP.

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Electromobility Strategy (2013) will introduce pilot projects (by 2015) to promote the use of EVs. Simultaneously, the charging infrastructure will be implemented;

in the next five years, 40% of city buses will be converted to natural gas; we will achieve a 5% share of CNG vehicles and implement promotion for faster introduction of

these vehicles (SEAP).

In energy supply system we plan:

further expansion and higher use of the district heating and gas supply systems by connecting new customers (2020: 85% of dwellings connected);

reduction of heat losses in heat distribution by replacing and modernising peak demand boilers to produce heat for the district heating system;

new gas-steam units (gas turbines of 75MW capacity) to replace coal in the generation sector (2018, estimate value: €155 million);

connection of large boiler plants to the networks of district heating and gas supply systems by 2015. RES: up to 2020 we plan 2% biogas to be integrated into the natural gas network;

by 2015 fuel oil will be entirely abolished.

Accoring to SEAP, Urban Master Plan considers the priorities of using RES and networks of heat and gas supply systems. The special emphasis is given to priority of the district heating system use for cooling buildings.

Through development of district systems we will:

modernise the distribution networks management;

renovate the fundamental part of the hot water supply system and optimise system management;

install district cooling systems in big settlements.

As a result the production of heat (hot water, steam) for the distr ict heating system will fall to 972GWh by 2035 (2010: less than 36%) . We will reduce heat losses in the system by 3–5% .

Key projects in waste management and waste-water tr eatment RCERO Ljubljana, the Slovenian biggest environmenta l and cohesion project: trial operation of

waste processing facilities starts in 2015, following the latest technological guidelines. 600,000 residents of 33 municipalities (30% of the Slovenia n population) will dispose just 20% of

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environmentally non-hazardous waste after treatment, while 80% will be reused as raw materials or energy products. Project value: €155 million (65.88%: Cohesion Fund; 14%: national budget; 10.11%: environmental tax; 10%: municipal budget and co-investors).

Waste to energy: a project under the state jurisdiction (use of local RES to cogenerate heat and electricity). The facility construction with a capacity of 30MW th should be connected to the city district heating system.

Local Energy Action Plan for the Central Slovenia r egion 2020 Regional Development Agency of the Ljubljana Urban Region (responsible for development in 26 municipalities) created part of the EU2020 Going Local project (2012), which contains numerous recommendations on how to achieve EU sustainable development targets. The main references for Local action plan were the city’s SEAP and Guidelines for Regional Development Plan of Ljubljana Urban Region. EE measures: to improve EE in the region, especially in the fields of transport, buildings, industry, commercial and business sectors; to increase awareness of importance and possibilities of improved EE in all fields. RES measures: to increase the share of renewable resources in the region and better understanding of changing to RES in industry and by individuals. Therefore the pilot projects of district heating/cooling systems using biomass and preparation for the construction of hydro power plants in the middle part of the Sava river are planned. The objectives targeds include: the state, municipalities in reagion around Ljubljana, P&P companies, the general public, commuters, NGOs, educational and research institutions. 11D. References List supporting documentation, adding links where possible. Further detail may be requested during the clarification phase. Documentation should not be forwarded at this stage. 249 words Vision of Ljubljana in 2025: http://www.ljubljana.si/en/municipality/vision-ljubljana/ Sustainable Energy Action Plan 2020: http://www.ljubljana.si/si/zivljenje-v-ljubljani/okolje-prostor-bivanje/lokalni-energetski-koncept/ Sustainable Mobility Plan: http://www.ljubljana.si/file/1172768/6.-toka---prometna-politika-mestne-obine-ljubljana1.pdf Electromobility Strategy : http://www.ljubljana.si/file/1307716/6.-elektromobilnost-18-4-13-konna-verzija.pdf Summary of the Environmental Protection Programme 2 007-2013 –"Ready for Tomorrow" :http://www.ljubljana.si/en/living-in-ljubljana/focus/73844/detail.html Sustainable Urban Infrastructure study as part of t he "Ljubljana, smart city" project: http://www.ljubljanapametnomesto.si/ljubljana_2050 Ljubljana, smart city: http://www.ljubljanapametnomesto.si/ Self-sufficient living cell: www.ee.fs.uni-lj.si/celica Stožice Sports Park – an example of sustainable and rational construction: http://www.energijadoma.si/znanje/zapis/sportni-park-stozice--primer-trajnostne-in-racionalne-gradnj Energy-efficient refurbishment of multi-family dwel lings, example of good practice: http://www.izs.si/index.php?id=642 "Slovenia is reducing CO2": http://www.slovenija-co2.si/upload/katalog-dobre-prakse-2012-isbn.pdf

The European Prize for Urban Public Space for Refur bishment of the Banks and Bridges of the

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Ljubljanica : http://www.publicspace.org/en/prize/2012 Access City Award 2012: http://www.ljubljana.si/si/mol/access-city-award-2012/ Urban Visionary Award 2011 for Bicike(LJ): http://www.ljubljana.si/en/living-in-ljubljana/focus/76337/detail.html Bicike(LJ): http://en.bicikelj.si/ List of new solar power plants: http://pv.fe.uni-lj.si/Seseznam.aspx RCERO Ljubljana: http://www.ljubljana.si/en/municipality/news/77872/detail.html, http://www.ljubljana.si/en/living-in-ljubljana/focus/69679/detail.html, http://www.rcero-ljubljana.eu/index.html Ljubljana Central Treatment Plant: http://www.jhl.si/vo-ka/predstavitev/centralna-cistilna-naprava-lj Retention basins: www.ljubljana-kanalizacija.si

Calls for applications for grants for the implement ation of energy efficiency measures by final customers: http://www.jhl.si/energetika/ucinkovita-raba-energije/pogosta-vprasanja-in-odgovori

Energy Advice Office: http://gcs.gi-zrmk.si/Svetovanje/index.html Javni Holding Ljubljana: http://www.jhl.si/en/holding Snaga: http://www.jhl.si/en/snaga Energetika Ljubljana: http://www.jhl.si/en/energetika Environmental report of Energetika Ljubljana for 20 11: http://www.jhl.si/upload/doc/5140_Okoljsko_porocilo_2011.pdf Termoelektrarna Toplarna Ljubljana: http://www.te-tol.si Ljubljana Technology Park: http://www.tp-lj.si/?lang=en Žale: http://www.zale.si/en/ Public Housing Fund of the City of Ljubljana: http://www.jssmol.si/domov/ RDA LUR Local Action Plan: http://www.rralur.si/fileadmin/user_upload/razvojni_dokumenti/RRP_LUR_2014-2020/RRA_LUR_LAP.pdf Gold Medal at the MOS International Trade and Busin ess Fair 2013 for an EE building: the POLJE II low-energy residential/business neighbourhood : http://www.ce-sejem.si/sejmi/2013/46-mos/novice?id=3038/stiri-zlata-in-dve-srebrni-priznanji-za-energetsko-ucinkovite-objekte-2013&cmstag=97-2 EE residential-business neighbourhood Polje II: http://www.ljubljana.si/en/municipality/news/75087/detail.html Renewable Energy and Building Exhibitions in Cities of the Enlarged Europe: http://www.rebecee.de/ljubljana.html World Engineering Forum 2012 in Ljubljana: Sustainable construction for people: http://www.youtube.com/watch?v=cTv0FiNJgvU My gas: http://www.mojplin.si/ Film about Kavalir: http://www.mgml.si/mestni-muzej-ljubljana/aktualno/novice-1288/kaj-v-ljubljani-pocne-kavalir/