when did the pirates have their best power play percentage in a season

The Pittsburgh Penguins have the best power-play percentage by a team in a season, at 35.9 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	Penguins	35.9	2025-26	15	9	4		2	20	.667	0	2	54	41	13	84.4	27.60	13.0	30.20	.909
2	Oilers	35.0	2025-26	15	6	5		4	16	.533	0	2	46	46	0	78.4	28.87	10.6	24.93	.877
3	Stars	34.0	2025-26	14	7	4		3	17	.607	2	1	40	45	-5	70.5	26.07	11.0	28.29	.886
4	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
5	Canadiens	31.9	1977-78	80	59	10	11		129	.806			359	183	176	81.0	32.76	13.7	25.94	.912
6	Wild	31.6	2025-26	15	5	7		3	13	.433	1	0	42	55	-13	68.8	29.27	9.6	30.13	.878
7	Islanders	31.4	1977-78	80	48	17	15		111	.694			334	210	124	83.5	31.13	13.4	28.20	.907
8	Islanders	31.2	1978-79	80	51	15	14		116	.725			358	214	144	80.2	28.76	15.6	28.86	.907
9	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
10	Islanders	29.3	1980-81	80	48	18	14		110	.688			355	260	95	79.3	30.21	14.7	30.23	.892
11	Canadiens	29.3	2025-26	14	9	3		2	20	.714	0	1	51	44	7	78.0	25.00	14.6	27.14	.884
12	Oilers	29.3	1982-83	80	47	21	12		106	.663			424	315	109	77.5	33.33	15.9	32.42	.879
13	Canadiens	29.1	1979-80	80	47	20	13		107	.669			328	240	88	81.4	31.64	13.0	27.69	.892
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	Rangers	28.8	1977-78	80	30	37	13		73	.456			279	280	-1	80.2	28.14	12.4	31.38	.888
16	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
17	Flames	28.5	1987-88	80	48	23	9		105	.656			397	305	92	80.4	33.33	14.9	29.65	.871
18	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
19	Canadiens	28.3	1978-79	80	52	17	11		115	.719			337	204	133	83.6	32.16	13.1	25.41	.900
20	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
21	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
22	Islanders	27.8	1981-82	80	54	16	10		118	.738			385	250	135	79.9	30.86	15.6	30.08	.896
23	Flames	27.7	1989-90	80	42	23	15		99	.619			348	265	83	79.2	34.35	12.7	25.34	.869
24	Oilers	27.6	2020-21	56	35	19		2	72	.643	0	0	183	154	29	82.5	29.89	10.9	30.66	.910
25	Maple Leafs	27.3	2021-22	82	54	21		7	115	.701	3	1	312	252	60	82.1	34.57	11.0	30.62	.900