FY1999	FY2000	FY2001	FY2002
Energy Supply R&D	Solar & Renewables	332	275	328	339
	Nuclear Energy	89	91	81	78
	Total Energy Supply R&D	421	366	409	417
Fossil Energy R&D		301	330	396	406
Energy Conservation R&D		386	440	441	454
Science R&D	High Energy Physics	685	692	702	706
	Nuclear Physics	332	347	355	355
	Fusion Energy Science	221	246	245	245
	Basic Energy Sciences	794	771	984	1,004
	Computational and Technology Res.	157	130	166	158
	Biological and Environmental Res.	433	435	481	527
	Energy Research Analyses	1	1	1	1
	Multiprogram Lab Support	21	21	22	22
	Total Science R&D	2,643	2,644	2,995	3,018
Atomic Energy Defense Activities R&D	Naval Reactors	670	655	669	665
	Weapons Activities	2,211	2,341	2,357	2,569
	Nuclear Safeguards & Security	24	37	26	26
	Intelligence	4	4	5	5
	Nonproliferation & Verification R&D	210	190	204	309
	Fissile Materials Disposition	na	53	62	67
	Environmental Management/Restoration	172	107	176	151
	Total Atomic Energy Defense R&D	3,291	3,388	3,499	3,794
Clean Coal Technology R&D		-40	10	0	0
Radioactive Waste Management R&D		na	55	45	31
Total DOE R&D		7,002	7,232	7,744	8,122

na = data not available