Transcript Rīgas enerģētikas aģentūra – līdzšinējā pieredze un piedāvāt

Renewable energy sources use in the Riga city
Dr.sc.ing. Maija Rubīna, Director of Riga Energy Agency
Juris Golunovs, Head of Energy Efficiency Information Centre of Riga Energy Agency
Meeting with the members of the organisation “Green-Project”
Riga, 22nd of August, 2012
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Riga City Sustainable Energy Action Plan 2010-2020
(SEAP)
• Riga signed the Covenant of Mayors in the year 2008 and assumed an
obligation
20-20-20 at 2020
• SEAP was approved by the Riga City Council in 2010
• The first progress report of SEAP was worked up in 2011. There was pointed out
that CO₂ emissions decreased by 49% compare to 1990.
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Introduction of RES types use in Riga:
• hydroenergy – Riga HES (Daugava cascade) connected to the power
supply system of Riga
• biogas
• solid biomass
• subsurface ground heat
• solar energy
• electric cars
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B I O G AS
Biogas cogeneration (CHP) plants:
◙ Sewage water treatment plant “Daugavgrīva”
(LtD “Rigens”) – 2,1 MWel.; 2,6 MWth;
◙ LtD “Getliņi EKO” solid communal waste treatment plant – 5,3 MWel.; 6,8 MWth.
Heat to be used in the greenhouses farm.
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Solid biomass – wood chips
JSC “Rīgas siltums” - main operator of centralized district heat supply in Riga
The target – increase the share of solid biomass up to the 20% in the heat supplier
fuel balance before the year 2015
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SUBSURFACE GROUND HEAT
Riga municipality installed space heating based on the ground heat
pumps in the two kindergartens, thereby closed the two coal-fired
boiler houses:
Kindergarten “Kastanītis” –
10 thermal probes in vertical
boreholes with depth –
120m;
Two stage heat pump with
the total capacity 57,5 kW
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SUBSURFACE GROUND HEAT (2)
Kindergarten No 108 in the neighbourhood Mežaparks
- 12 thermal probes with depth – 80m;
Two heat pumps (2 x 29 kW)
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SOLAR ENERGY
Global monthly solar radiation on horizontal surface in Nordic cities of Europe
(kWh/m²):
250
200
Berlīne
Helsinki
150
Stokholma
100
Kopenhāgena
Rīga
50
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kt
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c
Jū
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Au
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Ja
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Fe
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M
ar
Ap
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ai
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0
Most important solar PV plant in Riga was installed by the hazardous
waste treatment company “Zaļā Latvija” LtD - with the annual
production capacity 156.000 kWh
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ELECTRIC CARS IN RIGA
First registered electric cars (8) in Latvia are in Riga, incl.:
- Riga municipality – 5 pcs;
- JSC “Latvenergo” – 2 pcs
- electric cars sales dealer – 1 pcs
There was registered in Riga also the car
with both electrical and gasoline engines,
which is the famous in the world OSCAR first electric car – the participant of Dakar
international rally competition
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ELEKTRIC CARS IN RIGA (2)
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Kontaktinformācija:
www.rea.riga.lv
[email protected]
tel. +37126403004
[email protected]
tel. +37128356246
Thank you for attention!
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