what is the nhl record for team powerplay% in a season

The Tampa Bay Lightning have the best power-play percentage by a team in a season, at 66.7 percent this season.

	TEAM	PP%	SEASON	GP	W	L	T	OTL	PTS	PTS%	SOW	SOL	G	GA	DIFF	PK%	S/GP	S%	SA/GP	SV%
1	Lightning	66.7	2025-26	1	0	1		0	0	.000	0	0	4	5	-1	75.0	25.00	16.0	34.00	.853
2	Oilers	50.0	2025-26	1	0	0		1	1	.500	0	1	3	3	0	75.0	35.00	8.6	22.00	.864
3	Kings	40.0	2025-26	2	1	1		0	2	.500	1	0	6	9	-3	75.0	25.50	11.8	29.00	.845
4	Penguins	33.3	2025-26	2	2	0		0	4	1.000	0	0	7	3	4	100.0	29.50	11.9	31.00	.952
5	Wild	33.3	2025-26	1	1	0		0	2	1.000	0	0	5	0	5	100.0	21.00	23.8	26.00	1.000
6	Mammoth	33.3	2025-26	1	0	1		0	0	.000	0	0	1	2	-1	75.0	33.00	3.0	27.00	.926
7	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
8	Canadiens	31.9	1977-78	80	59	10	11		129	.806			359	183	176	81.0	32.76	13.7	25.94	.912
9	Islanders	31.4	1977-78	80	48	17	15		111	.694			334	210	124	83.5	31.13	13.4	28.20	.907
10	Islanders	31.2	1978-79	80	51	15	14		116	.725			358	214	144	80.2	28.76	15.6	28.86	.907
11	Golden Knights	30.0	2025-26	2	1	0		1	3	.750	0	1	9	8	1	60.0	33.00	13.6	24.50	.837
12	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
13	Islanders	29.3	1980-81	80	48	18	14		110	.688			355	260	95	79.3	30.21	14.7	30.23	.892
14	Oilers	29.3	1982-83	80	47	21	12		106	.663			424	315	109	77.5	33.33	15.9	32.42	.879
15	Canadiens	29.1	1979-80	80	47	20	13		107	.669			328	240	88	81.4	31.64	13.0	27.69	.892
16	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
17	Rangers	28.8	1977-78	80	30	37	13		73	.456			279	280	-1	80.2	28.14	12.4	31.38	.888
18	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
19	Bruins	28.6	2025-26	2	2	0		0	4	1.000	0	0	7	4	3	100.0	28.00	12.5	30.00	.933
20	Panthers	28.6	2025-26	2	2	0		0	4	1.000	0	0	5	3	2	100.0	35.50	7.0	19.50	.923
21	Flames	28.5	1987-88	80	48	23	9		105	.656			397	305	92	80.4	33.33	14.9	29.65	.871
22	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
23	Canadiens	28.3	1978-79	80	52	17	11		115	.719			337	204	133	83.6	32.16	13.1	25.41	.900
24	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
25	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