which team has the highest career power play percentage in one season

The Edmonton Oilers have the best power-play percentage by a team in a season, at 32.4 percent in 2022-23.

	TEAM	PP%	SEASON	GP	W	L	T	OTL	PTS	PTS%	SOW	SOL	G	GA	DIFF	PK%	S/GP	S%	SA/GP	SV%
1	Oilers	32.4	2022-23	82	50	23		9	109	.665	0	4	325	256	69	77.0	33.59	11.8	31.37	.900
2	Devils	32.3	2025-26	11	8	3		0	16	.727	0	0	41	35	6	84.6	29.18	12.8	27.45	.884
3	Canadiens	31.9	1977-78	80	59	10	11		129	.806			359	183	176	81.0	32.76	13.7	25.94	.912
4	Islanders	31.4	1977-78	80	48	17	15		111	.694			334	210	124	83.5	31.13	13.4	28.20	.907
5	Islanders	31.2	1978-79	80	51	15	14		116	.725			358	214	144	80.2	28.76	15.6	28.86	.907
6	Penguins	31.0	2025-26	12	8	2		2	18	.750	0	2	44	29	15	81.6	26.33	13.9	30.67	.921
7	Oilers	30.3	2025-26	12	5	4		3	13	.542	0	1	38	38	0	83.3	29.25	10.8	24.58	.871
8	Oilers	29.5	2019-20	71	37	25		9	83	.585	2	2	223	215	8	84.4	29.58	10.6	32.03	.905
9	Islanders	29.3	1980-81	80	48	18	14		110	.688			355	260	95	79.3	30.21	14.7	30.23	.892
10	Oilers	29.3	1982-83	80	47	21	12		106	.663			424	315	109	77.5	33.33	15.9	32.42	.879
11	Wild	29.2	2025-26	12	3	6		3	9	.375	1	0	31	47	-16	60.0	30.25	8.5	30.25	.871
12	Canadiens	29.1	1979-80	80	47	20	13		107	.669			328	240	88	81.4	31.64	13.0	27.69	.892
13	Stars	28.9	2025-26	11	6	3		2	14	.636	1	0	29	32	-3	71.4	26.45	10.0	28.73	.899
14	Jets	28.9	2024-25	82	56	22		4	116	.707	2	1	275	190	85	79.4	28.22	11.9	27.18	.915
15	Senators	28.9	2025-26	12	6	5		1	13	.542	2	0	43	47	-4	62.2	29.92	12.0	25.50	.846
16	Rangers	28.8	1977-78	80	30	37	13		73	.456			279	280	-1	80.2	28.14	12.4	31.38	.888
17	Lightning	28.6	2023-24	82	45	29		8	98	.598	3	1	288	267	21	83.3	29.29	12.0	29.63	.890
18	Flames	28.5	1987-88	80	48	23	9		105	.656			397	305	92	80.4	33.33	14.9	29.65	.871
19	Golden Knights	28.3	2024-25	82	50	22		10	110	.671	1	5	274	214	60	75.7	30.27	11.0	26.11	.900
20	Canadiens	28.3	1978-79	80	52	17	11		115	.719			337	204	133	83.6	32.16	13.1	25.41	.900
21	Lightning	28.2	2018-19	82	62	16		4	128	.780	6	1	319	221	98	85.0	31.95	12.2	32.11	.916
22	Devils	28.2	2024-25	82	42	33		7	91	.555	2	2	240	220	20	82.7	28.10	10.4	26.35	.898
23	Canadiens	28.1	2025-26	11	8	3		0	16	.727	0	0	40	33	7	75.0	25.82	14.1	26.64	.887
24	Jets	27.8	2025-26	11	8	3		0	16	.727	0	0	40	28	12	91.1	26.36	13.8	30.64	.917
25	Islanders	27.8	1981-82	80	54	16	10		118	.738			385	250	135	79.9	30.86	15.6	30.08	.896