The Detroit Red Wings had their best power-play percentage in a season in 2008-09, at 25.5 percent.

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

TEAM	PP%	SEASON	GP	W	L	T	OTL	PTS	PTS%	G	GA	PK%	S/GP	SA/GP
Detroit Red Wings	25.5	2008-09	82	51	21		10	112	.683	289	240	78.3	36.16	27.73
Detroit Red Wings	24.9	1992-93	84	47	28	9		103	.613	369	280	81.2	32.92	28.87
Detroit Red Wings	24.2	1994-95	48	33	11	4		70	.729	180	117	86.4	32.73	25.13
Detroit Red Wings	23.9	1978-79	80	23	41	16		62	.388	252	295	77.4	28.39	28.33
Detroit Red Wings	23.8	2002-03	82	48	20	10	4	110	.671	269	203	85.4	29.77	28.79
Detroit Red Wings	23.8	2014-15	82	43	25		14	100	.610	231	211	80.9	29.62	28.32
Detroit Red Wings	23.1	2023-24	82	41	32		9	91	.555	275	273	79.6	28.96	32.40
Detroit Red Wings	22.4	1979-80	80	26	43	11		63	.394	268	306	76.3	29.86	28.46
Detroit Red Wings	22.3	2010-11	82	47	25		10	104	.634	257	237	82.3	33.62	30.66
Detroit Red Wings	22.2	1983-84	80	31	42	7		69	.431	298	323	75.2	29.10	28.93
Detroit Red Wings	22.1	2000-01	82	49	20	9	4	111	.677	253	202	85.7	32.32	27.09
Detroit Red Wings	22.1	2005-06	82	58	16		8	124	.756	301	206	85.5	34.10	26.59
Detroit Red Wings	22.1	1984-85	80	27	41	12		66	.413	313	357	73.4	28.43	31.50
Detroit Red Wings	21.3	1995-96	82	62	13	7		131	.799	325	181	88.3	32.29	24.17
Detroit Red Wings	21.1	2022-23	82	35	37		10	80	.488	237	275	78.3	28.20	30.44
Detroit Red Wings	20.9	1985-86	80	17	57	6		40	.250	266	415	71.0	28.50	32.85
Detroit Red Wings	20.8	1993-94	84	46	30	8		100	.595	356	275	80.9	35.60	27.42
Detroit Red Wings	20.8	1977-78	80	32	34	14		78	.488	252	266	78.1	28.41	28.39
Detroit Red Wings	20.7	1988-89	80	34	34	12		80	.500	313	316	81.5	28.69	31.38
Detroit Red Wings	20.7	2007-08	82	54	21		7	115	.701	252	179	84.0	34.39	23.54
Detroit Red Wings	20.5	1986-87	80	34	36	10		78	.488	260	274	78.6	27.18	28.81
Detroit Red Wings	20.4	1999-00	82	48	22	10	2	108	.659	278	210	85.9	31.95	26.45
Detroit Red Wings	20.3	2001-02	82	51	17	10	4	116	.707	251	187	86.0	30.95	26.33
Detroit Red Wings	20.1	2003-04	82	48	21	11	2	109	.665	255	189	86.8	30.29	26.23
Detroit Red Wings	19.2	2009-10	82	44	24		14	102	.622	223	207	83.9	33.38	29.43