Table 31 Internal accounts, by type of activity for all units in electricity supply. 2003 and 2004. NOK million

31	Internal accounts, by type of activity for all units in electricity supply. 2003 and 2004. NOK million

	2003	2004

	2003	Total	Joint activity	Sales	Production	Central and regional grid services	Retail grid services	Telecommunication	Other activities

Operating income	122 874	116 919	1 395	75 498	20 025	11 831	14 045	113	3 795
Sales of energy	96 602	90 386	15	74 648	19 107	824	-	-	32
Sales of grid services	20 780	19 746	-	261	14	10 961	14 019	2	161
Other operating income	5 493	6 787	1 381	588	904	46	26	111	3 602

Operating expenses	103 279	96 317	1 472	67 893	12 864	9 475	11 762	340	2 153
Purchase of energy	71 238	65 094	-	65 755	2 501	776	-	-	87
Purchase of grid services	7 312	6 306	-	195	1 157	5 776	5 157	-	3
Other purchases of goods	1 099	1 577	26	54	371	488	14	44	660
Compensation of employees	5 422	5 384	855	586	1 205	398	1 572	77	717
Other operating expenses	11 681	11 321	1 755	1 124	4 771	600	2 504	80	474
Depreciation	6 526	6 634	83	90	2 707	1 276	1 799	132	84
Distribution of joint/support activities	-	-	-1 248	88	151	160	716	8	128

Operating profit	19 595	20 602	-76	7 605	7 161	2 357	2 282	-227	1 643

Assets	210 668	211 857	-1	-1	5 261	100 842	92 760	10 542	1 217