Table 31 Internal accounts, by type of activity for all units in electricity supply. 2001 and 2002. NOK million

31	Internal accounts, by type of activity for all units in electricity supply. 2001 and 2002. NOK million

	2001	2002

	2001	Total¹	Joint activity	Sales	Production	Central and regional grid services	Retail grid services	Telecommunication	Other activities

Operating income	91 501	99 799	469	61 243	19 334	11 553	14 053	55	2 840
Sales of energy	66 183	75 672	-	60 527	18 436	611	-	-	91
Sales of grid services	18 968	19 485	-	299	39	10 538	14 034	13	33
Other operating income	6 349	4 642	469	418	859	405	19	42	2 715

Operating expenses	73 248	80 546	639	61 956	4 708	9 039	11 504	141	1 849
Purchase of energy	43 290	50 617	-	51 474	2 265	621	-	-	44
Purchase of grid services	6 394	6 131	-	176	1 331	5 469	4 825	-	4
Other purchases of goods	843	1 076	59	76	279	332	21	2	337
Compensation of employees	5 551	5 516	860	508	1 163	480	1 761	53	797
Depreciation	6 389	6 537	131	115	2 745	1 239	1 765	60	76
Other operating expenses	10 780	10 670	1 140	9 545	-3 419	601	2 359	22	500
Distribution of joint/support activities	-	0	-1 551	62	343	297	773	4	92

Operating profit	18 253	19 253	-171	-713	14 626	2 514	2 549	-86	990

Assets	221 260	209 559	69	69	4 856	100 547	91 386	10 711	980

¹	Internal transactions between differrent activities within the same utility are eliminated.