Table 31 Internal accounts, by type of activity for all units in electricity supply. 2002 and 2003. NOK million

31	Internal accounts, by type of activity for all units in electricity supply. 2002 and 2003. NOK million

	2002	2003

	2002	Total	Joint activity	Sales	Production	Central and regional grid services	Retail grid services	Telecommunication	Other activities

Operating income	99 799	122 874	480	80 718	20 393	12 819	14 451	71	3 579
Sales of energy	75 672	96 602	-	79 922	19 640	909	-	-	36
Sales of grid services	19 485	20 780	-	250	21	11 232	14 445	11	24
Other operating income	4 642	5 493	480	546	732	678	7	60	3 519
Operating expenses	80 546	103 279	488	71 997	15 172	10 694	12 012	187	1 780
Purchase of energy	50 617	71 238	-	69 663	4 096	890	-	-	21
Purchase of grid services	6 131	7 312	-	168	1 383	6 140	5 316	-	4
Other purchases of goods	1 076	1 099	26	54	318	339	13	10	368
Compensation of employees	5 516	5 422	964	541	1 227	418	1 590	49	576
Other operating expenses	10 670	11 681	1 376	1 414	5 117	1 314	2 396	53	617
Depreciation	6 537	6 526	92	92	2 563	1 227	1 756	69	73
Distribution of joint/support activities	-	-	-1 969	64	468	366	941	6	121

Operating profit	19 253	19 595	-8	8 721	5 221	2 125	2 439	-116	1 798

Assets	209 559	210 668	12	10	8 159	97 044	92 502	10 805	1 073