Our energy is supplied by nature

Highly efficient Commercially viable Sustainable Carbon-neutral www.bioenergie-kaernten.at CLIMATE

Climate goals Protecting the climate is one of the toughest challenges we face this century. Avoiding fossil fuels, such as oil and gas, is one of the main goals of all 197 countries.

On signing the Paris Agreement, the global community of states, including Carinthia, is obliged to implement the agreed goals. If we are serious about taking responsibili- So far, the city of Klagenfurt ty for present and future generations, this has saved 276,000 t of CO2 due means turning away from coal, oil and to climate protection measures, natural gas and switching to renewable ener- half of which was achieved gies. by switching the district heating supply from All three biomass cogeneration plants ossil fuel to biomass. located in Klagenfurt and Liebenfels guarantee security of supply with district Dr. Wolfgang Hafner, Department Head heating and green electricity and thus of Climate and Environmental Protection; make a considerable contribution to climate Municipal Administration of the state protection. capital of Klagenfurt a. Ws. CLIMATE

Positive effects

The state capital Klagenfurt a. Ws. has been a gy in the supply mix of Klagenfurt’s district hea- member of the ambitious European movement ting to over 80%. “Convention of Mayors for Climate and Energy” since 2011. Benefits for the city:: • Achieving the Paris climate goals This initiative aims to reduce CO2 emissions by • Reducing emissions of respirable dust and NOx 20% and at the same time increase the share of • Strengthening the economy by using domestic raw ma- renewable energy by 20% by 2020. The aim is to terials and technology reduce CO2 emissions by 40% by 2030. • Developing into an energy-efficient, source-savingre and low-emission living space with a high quality of life The overriding goal of the Smart City strategy • 94 MW green heat practised by the state capital Klagenfurt am Ws. • Bioenergie Kärnten supplies 22,155 households from its is virtually complete decarbonisation by 2050. Ost, Süd and Nord locations; at approx. 450,000 MWh The proposals for measures developed in the ci- that is 80% of the CO2-free district heating requirement ty’s fields of action make it possible to achieve the • Around 40,000 households are supplied with 140,000 targets and place emphasis on maintaining a high MWh of green electricity as a by-product of district hea- quality of life for present and future generations. ting generation • In the field of heat generation, Klagenfurt is positioning By constructing and operating the Ost, Süd and itself as a leader for sustainability and climate protecti- Nord biomass cogeneration plants, it has been on in Europe, thus paving the way for complete carbon possible to increase the share of renewable ener- neutrality ABOUT US

DI(UAS) Markus Poppe Ing. Johann Moser Commercial Management Technical Management

Bioenergie Kärnten

Bioenergie Kärnten is part of the Bio Ener- furt AG is to further improve the quality of life gy Group and supplies Klagenfurt and Lie- and the air quality in Klagenfurt and to make benfels with green heat and electricity from Klagenfurt a model city in bioenergy produc- three biomass cogeneration plants. The co- tion through the use of cutting-edge techno- generation process means the production of logy. green electricity in addition to heat. All three biomass cogeneration plants in Carinthia are Bioenergie Kärnten has a total of 30 emplo- characterised by innovation and moderni- yees working at three locations and is a strong ty. They are considered to be highly efficient, and reliable partner for regional agriculture commercially viable, sustainable and carbon and forestry. neutral. Please feel free to contact us if you have any The vision of the BIO ENERGY GROUP is to questions about bioenergy. design, implement and subsequently opera- te turnkey, highly efficient and commercially viable biomass cogeneration plants throug- hout Europe. This is our way of making a con- tribution in Europe towards the medium-term Contact development of an efficient and renewable energy system in which sustainably produced Bioenergiezentrum GmbH Energiestraße 1, 9020 Klagenfurt/WS biomass plays a role. The common goal of Tel.: +43 463 / 31 87 68 Bioenergie Kärnten and Stadtwerke Klagen- ABOUT US

We work on an industrial scale with fully recyclable materials such as glass, aluminium and wood

Dr. Cornelius Grupp CAG Holding

The Dr. Grupp corporate group Dr. Cornelius Grupp is the sole shareholder Dr. Cornelius Grupp of CAG Holding. It employs 8,000 people “I believe that any investment made in at 45 production sites worldwide and this day and age cannot have a purely generates annual sales of around 1.5 billion economic function and, in our case, also euros. has an environmental component. In to- day’s world, it is necessary for investments to be seen from a different, very broad base.

I am pleased and proud that we are making an important contribution to the independent energy supply of the city of Klagenfurt with our biomass cogeneration plants which produce green electricity and green heat.” LOCATIONS

HKW-SÜD 2007

The cogeneration Achievements plants Achievements of the 3 locations The biomass cogeneration plants are impres- with over 80% heat: sively modern and feature the latest techno- Green heat logy. They use the highest possible standard 94 MW output with of current plant technology, setting new stan- 5 steam boiler plants and 2 heat pumps dards for energy production from biomass. Klagenfurt and Liebenfels are supplied with Green electricity: 20 MW output with 3 steam 100 percent green heat from the biomass co- turbines generation plants. LOCATIONS

HKW-NORD 2017*

HKW-OST 2017*

(*) including heat recovery and absorption heat pump

Levels of efficiency exceeding 90% are achieved due to the Over 80% combined heat and power technology, heat recovery by means of flue gas condensati- HEAT on and the two heat absorption of the district heating pumps. requirement for the state capital Klagenfurt SCHEMATIC DIAGRAM New standards in biomass-fired plants: Schematic diagram for constructed plants CHP Ost and CHP Nord | RZ 2017

• Levels of efficiency exceeding 90% in the heating period due to heat recovery by means of flue gas condensation and absorption heat pump 3 • NOx limit value below 80mg/mN due to developed Low NOx technology 3 • Dust limiting value below 3 mg/mN due to state-of-the-art fabric filter technology

untreated biomass. The steam boiler Bioenergie Kärnten’s biomass cogeneration plants are designed as natural- plants use by-products from forestry (log- circulation steam boilers with a water ging residue, branches, coarse wood chips). tube structure which, due to the corres- If this exclusively untreated raw material, pondingly low specific load and which arises during timber harvesting and low flue gas flow velocities in forest management, were to remain unu- all firing and boiler components, do not sed, it would barely be possible to keep down require any cleaning of the heating sur- pests such as bark beetles and the environ- faces. This design philosophy is ultima- mental balance would be jeopardised. Bio- tely the basis for low-emission com- mass is therefore essential for forest ma- bustion but also for high combustion nagement and a functioning timber market efficiency with a long service life. in Austria.

A multi-stage reaction steam turbine with Superheated high-pressure steam for the the highest possible turbine efficiency was cogeneration of power and heat is selected as the steam turbine which is used produced in the steam boiler plants from purely as a “heating turbine”. All the exhaust SCHEMATIC DIAGRAM New standards in biomass-fired plants:

steam is therefore converted into hot water for heat extraction in the heat exchanger arranged below (= heating condenser). The energy released State-of-the-art heat recovery systems which during steam expansion in the turbine drives exceed efficiency levels of above 90% during the the turbine rotor, which transfers the energy heating period were installed in the Klagenfurt to the generator via the spur gear for Ost and Liebenfels Nord biomass cogeneration electricity generation. The net electricity plants. The technology employed extracts the la- generated is fed into the public grid. tent heat from the exhaust gas at very low tem- perature and uses the absorption heat pump to raise it to a temperature level suitable for use in the district heating network. New standards for dust limit value in biomass-fi- red plants. The dust level falls significantly below 3 dust limit values of 3 mg/mN due to the use of The flue gas leaves the stack at approx. 30°C so cutting-edge fabric filters. there is no formation of steam clouds. BIOMASS

Biomass Highly efficient Carbon-neutral Using biomass in heat-controlled cogenerati- Biomass delivers clean energy from our regi- on plants is the most efficient form of thermal on and is completely carbon neutral. Biomass power generation. is considered a clever and sustainable energy source which reduces greenhouse gases and Sustainable prevents catastrophic environmental impacts Biomass uses forest by-products and on humanity. residual materials and is considered an optimum source of sustainable energy. Biomass cogeneration plants replace coal-fired, oil-fired and nuclear electrici- ty, protect our climate and can replace oil as the most important energy source by 2030.

Commercially viable The use of biomass for producing energy is a significant revenue stream for many agricul- tural enterprises which promotes not only the Fuel requirements: local economy but also the rural area. 1 million cubic metres per year CUSTOMER

Mag. Harald Tschurnig Frank Frey Dr. Maria-Luise Mathiaschitz DI Erwin Smole STW Management Board City Council Mayor of Klagenfurt STW Management Board

True success story particularly pleased that Klagenfurt, due to Bioenergie Kärnten proves to be a strong and the massive use of biomass, could become reliable partner! With its three state-of-the- Austria’s “greenest state capital”! art biomass cogeneration plants, it ensures City councillor Frank Frey the district heating supply for the state capi- tal and supplies Stadtwerke Klagenfurt with Reliable partner green energy around the clock. We are the- Stadtwerke Klagenfurt has been supplying refore becoming independent of uncertain district heating to satisfied customers for 70 markets and fossil fuels. The ultimate aim is years. For around two years, we have gradu- comfortable, clean heat combined with con- ally been developing this gratifying success venience, sustainability and quality of life. story with Bioenergie Kärnten with three These are real milestones in the energy sup- biomass cogeneration plants, using state-of- ply and proof that there can be harmony bet- the-art technology to pump “green power” ween the economy and the environment. into the STW district heating network which Dr. Maria-Luise Mathiaschitz, is more than 180 kilometres long. As one of Mayor of Klagenfurt a.WS. Carinthia’s largest municipal utility compa- nies, Stadtwerke Klagenfurt relies on sus- Indispensable raw material tainability in practice, increasing quality of life, As a city councillor for environmental protec- a future-proof infrastructure, secure public tion and energy efficiency, I am more than sa- services and intact environmental and clima- tisfied with this type of energy supply. Bioe- te protection. nergy relies on our wood: an indispensable STW Management Board DI Erwin Smole and raw material that constantly regrows! I am Mag. Harald Tschurnig Our energy is supplied by nature This brochure was printed on 100% recycled paper on 100% recycled printed was This brochure

Bioenergiezentrum GmbH Energiestraße 1 9020 Klagenfurt a. Ws., Austria Tel +43 463 318 768 [email protected] www.bioenergie-kaernten.at