Table 4 Consumption of energy in greenhouses, by size of greenhouse area and county. 1988, 1998, 2006 and 2009

4 Consumption of energy in greenhouses¹, by size of greenhouse area and county. 1988, 1998, 2006 and 2009
	Consumption of energy in total	Electricity to growing lights	Electricity to heating etc.	Electricity to heat pump	Natural gas	Heavy- and light fuel oil (no. 1 and no. 6)	Propane gas	Bioenergy/biogas	Energy costs, 2009-NOK


	MWh								1 000 NOK
1988	..	257 102		..	..	642 827	..	..	..
1998²	971 753	222 935	276 349	..	..	442 722	29 747	..	..
2006	905 527	341 153	202 680	..	165 382	120 620	65 782	9 910	366 007
2009	884 263	346 703	161 828	2 700	176 748	78 893	73 888	43 503	359 022

2009
County
Østfold	60 821	18 675	17 221	:	-	9 852	11 102	:	24 917
Akershus og Oslo	68 764	25 448	29 013	-	-	11 482	:	:	28 841
Hedmark	20 396	8 953	7 225	:	-	4 100	-	:	10 401
Oppland	25 131	8 039	1 491	:	-	1 286	:	9 595	8 233
Buskerud	126 325	56 867	22 972	:	-	12 726	14 739	:	49 624
Vestfold	74 693	34 549	17 701	:	-	9 869	10 129	:	37 675
Telemark	7 862	704	6 471	:	-	673	-	:	3 548
Aust-Agder	25 133	7 705	6 814	720	-	7 620	:	:	10 572
Vest-Agder	13 531	4 642	6 744	:	-	788	:	-	6 033
Rogaland	316 579	108 142	5 281	540	176 748	4 694	16 634	4 540	116 173
Hordaland	37 677	16 983	12 922	:	-	6 045	:	:	17 391
Sogn og Fjordane	2 526	853	1 374	-	-	:	:	-	1 182
Møre og Romsdal	12 225	4 329	3 822	:	-	1 769	:	:	5 516
Sør-Trøndelag	3 626	1 434	1 413	:	-	573	-	:	1 900
Nord-Trøndelag	65 787	37 891	13 705	-	-	3 264	9 758	1 170	27 263
Nordland	14 856	6 874	6 137	:	-	1 722	-	:	5 389
Troms Romsa	7 858	4 454	:	:	-	1 965	-	-	4 112
Finnmark Finnmárku	473	161	:	:	-	:	-	-	255
Greenhouse area
300- 999 m2	26 409	6 680	6 723	135	:	11 729	:	292	14 416
1000- 1999 "	57 208	16 038	13 918	518	:	12 375	:	1 223	25 422
2000-4999 "	164 622	37 375	42 388	388	40 886	20 759	12 626	10 198	66 130
5000- "	636 025	286 611	98 799	1 660	126 316	34 031	56 818	31 790	253 055

¹	Comprise holdings with at least 300 m2 of greenhouse area.
²	Consumption of bioenergy is not included.
Source: Census of Agriculture and Forestry 1989, Census of Agriculture 1999, Census of greenhouses and nurseries 2007 and Census of Agriculture and Forestry 2010, Statistics Norway.