Et blik tilbage på den historiske udvikling af fjernvarme i Danmark og et blik frem

Transcription

1 Et blik tilbage på den historiske udvikling af fjernvarme i Danmark og et blik frem 115 years history and the future - in 20 minutes DBDH's jubilæum 28. juni 2018, Hotel Munkebjerg, Vejle Lars Gullev CEO, VEKS

2 115 years DH history Impossible to find areas for landfills inside the boundaries of the municipality of Frederiksberg. Construction of a new hospital.

3 1903

4 115 years DH history The first steps to construct a DH system in the centre of Copenhagen was taken just after The customers were CPH City Hall, hospitals and public baths. Heat production was based on CHP.

5 115 years DH history 1945 DH systems were until now primarily established in the larger cities. The DH companies were municipality-owned.

6 115 years DH history Increasing welfare in the Danish society. Water-based heating systems are replacing stoves and fireplaces. New company structure: Groups of citizens join together and establish consumer cooperatives - inspired by the countryside 75 years ago.

7 115 years DH history What is the driver for the development? Market Price difference between gas oil and fuel oil is a kick-off for the expansion of DH in Denmark.

8 115 years DH history Oil crisis in 1973 and The war in the Middle- East resulted in increasing oil prices. Oil supplies to Denmark were reduced. About 92 % of the energy consumption in Denmark was at that time based on imported oil.

9 1978

10 115 years DH history 1979 The first Heat Supply Act in the world with focus on: Energy supply system based on different fuels. Improving the reliability of energy and fuel supply. Increasing the overall energy efficiency.

11 What consequences had the Heat Supply Act for the expansion of district heating?

12 Focus on Combined Heat and Power (CHP) What is that?

13 TVIS, CTR and VEKS

14 Heating installations in dwellings 1000 units 34 % 64 % Danish Energy Agency

15 What is the secret behind this amazing development?

16 District Heating Adds Real Value District Heating Lower Price Jobs Less CO2 Energy efficiency

17 Is district heating complicated?

18 Technically DH is NOT Complicated Storage DH is fuel agnostic! Pipes, pumps, valves... Heat demand Like your own boiler a lot bigger and a lot smarter!! Moving free heat to a useful place Extremely well proven technology!!

19 What is district heating?

20 What is district heating?

21 What is district heating? Comfort

22 What is district heating? Comfort Safe

23 What is district heating? Comfort Safe Easy

24 What is district heating? Comfort Safe Easy Clean air

25 What is district heating? Comfort Safe Easy Clean air Flexibility

26 What is district heating? Comfort Safe Easy Clean air Flexibility Sustainability

27 That is district heating! Comfort Safe Easy Clean air Flexibility Sustainability

28 Where are we today?

29 Today 115 years after the beginning. Main Results: Lowest energy consumption per GDP-unit in EU. Highest contribution to electricity from new renewables (non-hydro RE) in the world. Most efficient clean coal technology world wide. Leading nation of advanced energy solutions (DH and CHP, wind turbines, biomass plants, energy saving technologies ) Front Cover of Hot Cool 3/2009 (Focus: System Integrator on Urban Infrastructure)

30 Energy consumption for heating in dwellings Index 1990= Climate adjusted '95 '00 '05 '10 '14 Heated floor space Final energy consumption Final energy consumption per m2 123 % 98 % 80 % Danish Energy Agency

31 Fuel comsumption for district heating 20 % 51 % Danish Energy Agency

32 What can we expect in the future?

33 Development from 1G DH to 4G DH

34 Development from 1G DH to 4G DH

35 Avedøre CHP Plant Unit 1 (1990/2016) and unit 2 (2001/2014) 100 % wood pellets MW electricity and 932 MJ/s heat

36 Amager Bio 4 CHP Plant (2019) 100 % bio-fuel (wood-chips) 150 MW electricity and 400 MJ/s heat

37 Waste incineration CHP Plants

38 Municipality of Albertslund Low Temperature District Heating (LTDH) in 2026 Situated 17 km west of Copenhagen Development - residents , ,000 Today 30,000 High priority to environmental activities. Køge Bay The municipality has a tradition of dialogue with residents and business.

39 Vojens District heating Solar heating and storage Pit storage - 203,000 m 3 Solar heating collectors - 70,000 m 2 Covers 50 % of annual heat demand

40 Utilisation of surplus heat CP Kelco, Lille Skensved, DK Surplus heat (cooling towers) Photo: CP Kelco The production process includes extraction, purification and standardization steps in a highly automated process.

41 Utilisation of surplus heat Connection to Køge District Heating (DH) Company Excisting coolingtowers Photo: VEKS Energy 150 TJ/year (42,000 MWh/year) Effect 4-7 MJ/s Went into operation COP System = 18.5 Heat production is 25 % of the total heat demand of Køge DH Company.

42 Solrød Biogas Annual delivery of raw material 80,000 tonnes 53,000 tonnes 7,400 tonnes 60,000 tonnes Photo: Solrød Biogas A/S

43 Solrød Gas engine 3.0 MW green electricity to the grid. Annual production: 25 GWh 3.7 MJ/s green to the local distribution or transmission network. Annual production: 100 TJ (28 GWh t ) Photo: VEKS

44 Function of EE Gigastorage Design concept for PV, HP and storage EE (European Energy) GigaStorage with heat and cold storage

45 Giga Storage next to Copenhagen Design concept more than 10 million m 3. Visualization of EE (European Energy) GigaStorage next to Copenhagen. 4 km

46 Heat Pumps

47 Large heat Pumps in the DH System Why put focus on heat pumps? Biomass- and waste heat CHP is today the cheapest and most sustainable way to produce RE district heating. It may change in the future, as the price of biomass can increase by changing taxes and there may be increased demand for biomass, for example from the transport sector. This means that in the long term there is a need for alternative and supplementary district heating technologies.

48 Large Heat Pumps in the DH system Why put focus on heat pumps? Heat pumps are the most promising green technology to replace the existing base load. Heat pumps can utilize heat sources with a relatively low temperature that otherwise can not be used for district heating. It includes heat sources such as geothermal, industrial surplus heat, waste water, seawater, groundwater and air.

49 100 % CO 2 neutral DH in CPH in 2025 VEKS Partnership between 12 municipalities 350,000 tax-payers 170,000 end users 9,000 TJ (2,500 GWh) 40 km Køge Bay DH in Greater Copenhagen 19 municipalities 4 integrated systems 500,000 end users 34,500 TJ (9,600 GWh)

50 Thank you Further information: