Modern biomass utilisation
Gert Schultz - Energi E2 - Denmark
Modern biomass utilisation
Gert Schultz - Energi E2 - Denmark
Modern biomass utilisation
Facts:
839 PJ Gross Energy Consumption
52.7 million tons CO
2
Electricity capacity
- 13,400 MW Installed capacity
– of which: 55% CHP
- 3,000 MW wind turbines
Electricity production
- 40 TWh
– of which 6.7 TWh from wind turbines
Modern biomass utilisation
More facts:
Renewable energy
- 15% of gross energy consumption
Biomass
- 12% of gross energy consumption
Wind:
-
3% of gross energy consumption
- 16% of electricity production
Danish CO
2
emission 2004
million tons
20
15
8
3
4
2
Electricity
Transport
Industry
Distr. Heating
Households
Oil refinery
Modern biomass utilisation
Policy Measures
Fossil fuels
- Energy tax
- CO
2
tax
- SO
2
tax
Renewable energy
- Subsidies: 5 to 8 €-cent / kWh
Biomass agreement
Gross Energy Consumption in Denmark
2004 (PJ)
344
184
195
126
Oil
Coal
Natural Gas
Renewable
Renewable Energy Consumption
Denmark 2004 (PJ)
4
4
26
20
32
40
Straw
Wood
Waste (MSW)
Wind
Heat Pumps
Biogas
0
300
600
900
1200
1500
1800
1989
1993
1997
2001
2005
1000 tons
Wood
Straw
Use of Biomass in Danish power plants
Location
Wood
Straw
Total
Tons/year
Tons/year
Tons/year
Status 2000
10
70,000
360,000
430,000
New plants:
2001
Avedoere
150,000
Rebuilding:
2002
Avedoere
300,000
2002
Studstrup
250,000
2003
Amager 2
150,000
2003
Herning
200,000
2000-2006
6
500,000
550,000
1, 050,000
Status 2006
15
570,000
910,000
1,480,000
2008
Fyn
150,000
2008
Amager 1
250,000
Biomass-fired power plants in Denmark
Modern biomass utilisation
Biomass
LHV
Density
Ash
MJ/kg
kg/m
3
% d.m.
Straw
14,5
130
5
Straw pellets
15,0
600
5
Wood chips
10,5
300
0,5
Wood pellets
17,5
650
0,5
Coal
25
1000
13
Avedoere Power Station
2001
Unit 2: 510 MW el + 565 MJ/sec heat
Wood pellets: 300,000 tons
Straw:
150,000 tons
+ Natural Gas + Fuel Oil
1990
Unit 1: 214 MW el + 330 MJ/sec heat
Coal:
700,000 tons
+ Fuel Oil
Straw
Natural Gas
Natural Gas
Fuel Oil
Wood Pellets
(max 70% load)
Natural Gas
Biomass
Boiler
Main Boiler
580/600/300 bar
Steam Turbine
Gas Turbine unit
Electrical power
Electrical power
District heat
Avedøre Power Station unit 2
590 MW
el
/ 0 MJ/s
510 MW
el
/ 565 MJ/s
Straw pellets at Amager Power Station unit 2
Heat accumulator
1
2
3
Coal yard
Geothermal plant
Wood pellet storage
82 MW el or 56 MW el + 180 MJ/sec heat
150,000 tons straw pellets
Studstrup Power Station
700 MW el or 520 MW + 910 MJ/sec heat
Coal:
1,000,000 tons
Straw:
250,000 tons
Other biomass:
100,000 tons
+ Fuel Oil
Ensted Power Plant – Straw & Wood chips
Straw: 120,000 tons
Wood chips: 30,000 tons
Herning Power Plant
89 MW
Wood chips: 200,000 tons
Køge Pellet Factory
1
2
3
4
5
6
8
6
10
9
7
1)
Raw wood chips
2)
Wood and straw
pellets plant
3)
Storage for straw
bales
4)
Power plant
5)
Power plant
6)
Pipe conveyor for
straw and wood
pellets
7)
Straw pellets store
8)
Wood pellets store
9)
Harbour
10) Wood floor factory
Wind turbines – Numbers and capacity
0
1.000
2.000
3.000
4.000
5.000
6.000
7.000
197
7
198
0
198
3
198
6
198
9
199
2
199
5
199
8
200
1
200
4
År
Number
o
f
tur
b
in
es
0
500
1.000
1.500
2.000
2.500
3.000
3.500
Capacit
y
(
M
W
)
Number
MW
Wind turbines in Denmark
Biogas
Production: 4 PJ
Units: 145
Potential: 40 PJ
CO
2
reduction
CH
4
reduction
1 million tons straw per year in big bales
+600,000 tons wood chips and round logs per year
Pellet factory – 180,000 tons wood pellets / year
+ 120,000 tons import
Pellet factory – 150,000 tons straw pellets / year
Thank
you for your attention
www.energie2.com
gsc@e2.dk
ENERGI E2 - Teglholmen - A.C. Meyers Vaenge 9 - DK-2450 Copenhagen SV
Phone: +45 4480 6000
Fax: +45 4480 6170