The Washington Capitals had the best power-play percentage by a team in 2009-10, at 25.2 percent.

	TEAM	PP%	SEASON	GP	W	L	OTL	PTS	PTS%	SOW	SOL	G	GA	DIFF	PK%	S/GP	S%	SA/GP	SV%
1	Capitals	25.2	2009-10	82	54	15	13	121	.738	5	6	313	227	86	78.8	32.84	11.6	30.91	.910
2	Canadiens	21.8	2009-10	82	39	33	10	88	.537	7	5	210	218	-8	83.0	28.61	9.0	32.12	.917
3	Flyers	21.5	2009-10	82	41	35	6	88	.537	4	3	232	222	10	83.0	31.57	9.0	28.61	.905
4	Sharks	21.0	2009-10	82	51	20	11	113	.689	7	6	257	209	48	85.0	31.73	9.9	31.35	.919
5	Ducks	21.0	2009-10	82	39	32	11	89	.543	5	8	233	243	-10	79.3	30.15	9.4	33.38	.911
6	Canucks	20.9	2009-10	82	49	28	5	103	.628	4	4	268	218	50	81.6	30.90	10.6	29.50	.910
7	Kings	20.8	2009-10	82	46	27	9	101	.616	10	8	231	211	20	80.3	29.13	9.7	27.56	.907
8	Lightning	19.3	2009-10	82	34	36	12	80	.488	4	7	213	253	-40	80.1	28.87	9.0	31.40	.902
9	Red Wings	19.2	2009-10	82	44	24	14	102	.622	6	9	223	207	16	83.9	33.38	8.1	29.43	.914
10	Wild	19.1	2009-10	82	38	36	8	84	.512	5	7	214	239	-25	82.7	27.63	9.4	29.45	.901
11	Devils	18.7	2009-10	82	48	27	7	103	.628	6	5	216	186	30	82.8	29.99	8.8	26.99	.916
12	Stars	18.6	2009-10	82	37	31	14	88	.537	7	10	230	244	-14	77.4	30.78	9.1	31.21	.905
13	Rangers	18.3	2009-10	82	38	33	11	87	.530	3	4	219	214	5	84.3	29.57	9.0	29.88	.913
14	Blue Jackets	18.2	2009-10	82	32	35	15	79	.482	2	10	214	249	-35	81.7	28.51	9.2	30.66	.901
15	Avalanche	18.1	2009-10	82	43	30	9	95	.579	7	5	237	228	9	80.2	27.89	10.4	32.06	.913
16	Blackhawks	17.7	2009-10	82	52	22	8	112	.683	9	6	262	203	59	85.3	34.12	9.4	25.10	.901
17	Sabres	17.6	2009-10	82	45	27	10	100	.610	4	6	231	201	30	86.6	31.56	8.9	31.38	.922
18	Oilers	17.3	2009-10	82	27	47	8	62	.378	8	6	206	278	-72	78.0	28.30	8.9	33.12	.898
19	Penguins	17.2	2009-10	82	47	28	7	101	.616	8	2	249	235	14	84.1	32.78	9.3	28.66	.900
20	Blues	16.9	2009-10	82	40	32	10	90	.549	7	5	218	218	0	86.8	29.82	8.9	30.16	.912
21	Senators	16.9	2009-10	82	44	32	6	94	.573	5	5	220	233	-13	84.3	29.71	9.0	28.54	.900
22	Hurricanes	16.9	2009-10	82	35	37	10	80	.488	4	5	226	251	-25	80.6	29.29	9.4	31.39	.902
23	Bruins	16.6	2009-10	82	39	30	13	91	.555	10	9	196	191	5	86.4	31.70	7.5	29.82	.922
24	Predators	16.4	2009-10	82	47	29	6	100	.610	8	4	217	221	-4	77.1	30.59	8.7	29.22	.908
25	Thrashers	16.1	2009-10	82	35	34	13	83	.506	4	6	230	250	-20	82.2	29.38	9.5	33.12	.908