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Heat supply
20 Renewable Energy Sources in Figures
Heat supply from renewable energies in Germany since 1990
Biomass 1)
Biogenic
fraction of
waste 2)
Solar thermal
energy 3)
Geothermal
energy 4)
Total heat
generation
Share of heat
consumption
[GWh] [GWh] [%]
1990 28,265 2,308 107 1,515 32,195 2.1
1991 28,360 2,308 169 1,517 32,354 2.1
1992 28,362 2,308 221 1,522 32,413 2.1
1993 28,368 2,308 280 1,530 32,486 2.1
1994 28,375 2,308 355 1,537 32,575 2.2
1995 28,387 2,308 440 1,540 32,675 2.1
1996 28,277 2,538 549 1,551 32,915 2.0
1997 45,591 2,290 690 1,569 50,140 3.2
1998 49,740 3,405 848 1,604 55,597 3.6
1999 50,858 3,674 1,026 1,645 57,203 3.8
2000 51,419 3,548 1,261 1,694 57,922 3.9
2001 58,220 3,421 1,587 1,765 64,993 4.2
2002 57,242 3,295 1,884 1,855 64,276 4.3
2003 69,182 3,169 2,144 1,956 76,451 5.0
2004 75,376 3,690 2,443 2,086 83,595 5.5
2005 79,746 4,692 2,778 2,294 89,510 6.0
2006 83,023 4,911 3,218 2,762 93,914 6.2
2007 86,670 4,783 3,638 3,415 98,506 7.4
2008 93,133 5,020 4,134 4,168 106,455 7.3
2009 100,641 10,863 4,733 4,931 121,168 8.9
2010 113,446 11,850 5,200 5,585 136,081 9.5
1) survey method modified in 1996/1997; from 2003 onwards, unlike previous years, the figures are based on sections
3 and 5 (cHp and heating plants) and section 8 (industry) of the energy statistics act of 2003, and heat utilisation in
sewage gas plants
2) Figures for 1990 to 1994 equated with 1995, figures for 2000 to 2002 estimated in the light of figures for 1999 and
2003. Biogenic component of waste in waste incineration plants is taken as 50 %. the increase in the heat sector in
2009 compared with the year before is due to first-time inclusion of newly available data.
this is a statistical adjustment which does not permit any conclusions about the actual expansion of use.
3) useful energy; takes decommissioning of old plants into account
4) Including heat from deep geothermal energy and from air/water, water/water and brine/water heat pumps.
sources: BMu based on agee-stat and ZsW [1]; stBa [21]; Iea [65]; ageB [4], [69], [70]; BsW [51]; Zfs [54];
after Ie et al. [58]; after ItW [72]; gZB [59]; lIag [61]; BWp [3], DBFZ [12]
Solar heat: development of area and capacity of solar collectors in Germany since 1990
cumulative
area
cumulative
output
cumulative
area
cumulative
output
1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000
[1,000 m 2 ] 348 478 594 762 957 1,167 1,460 1,816 2,182 2,624 3,252
[MW] 244 335 416 534 670 817 1,022 1,271 1,527 1,837 2,276
2001 2002 2003 2004 2005 2006 2007 2008 2009 2010
[1,000 m 2 ] 4,149 4,679 5,395 6,151 7,099 8,501 9,437 11,331 12,909 14,044
[MW] 2,904 3,275 3,777 4,306 4,969 5,951 6,606 7,931 9,036 9,831
sources: BMu based on agee-stat and ZsW [1]; Zfs [54]; BsW [51]