The Toronto Maple Leafs had their highest power-play percentage in a season in 2021-22, at 27.3 percent.

when did the maple leafs 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
Toronto Maple Leafs	27.3	2021-22	82	54	21		7	115	.701	312	252	82.1	34.57	30.62
Toronto Maple Leafs	26.0	2022-23	82	50	21		11	111	.677	278	220	81.9	32.05	29.51
Toronto Maple Leafs	25.4	1978-79	80	34	33	13		81	.506	267	252	78.8	30.54	31.48
Toronto Maple Leafs	25.3	1980-81	80	28	37	15		71	.444	322	367	77.4	34.31	33.55
Toronto Maple Leafs	25.1	2017-18	82	49	26		7	105	.640	270	230	81.3	32.20	33.85
Toronto Maple Leafs	24.7	1979-80	80	35	40	5		75	.469	304	327	79.1	32.42	33.28
Toronto Maple Leafs	23.9	2023-24	82	46	26		10	102	.622	298	261	76.9	32.60	29.84
Toronto Maple Leafs	23.8	2016-17	82	40	27		15	95	.579	250	234	82.5	31.91	32.60
Toronto Maple Leafs	23.3	1989-90	80	38	38	4		80	.500	337	358	78.2	30.44	34.98
Toronto Maple Leafs	23.1	2019-20	70	36	25		9	81	.579	237	222	77.7	32.89	31.90
Toronto Maple Leafs	22.5	1982-83	80	28	40	12		68	.425	293	330	75.0	28.39	31.81
Toronto Maple Leafs	21.8	2018-19	82	46	28		8	100	.610	286	249	79.9	33.37	33.13
Toronto Maple Leafs	21.7	1983-84	80	26	45	9		61	.381	303	387	73.6	29.36	35.40
Toronto Maple Leafs	21.4	2005-06	82	41	33		8	90	.549	254	263	80.0	28.33	30.60
Toronto Maple Leafs	21.3	1977-78	80	41	29	10		92	.575	271	237	81.4	29.68	30.38
Toronto Maple Leafs	21.0	1992-93	84	44	29	11		99	.589	288	241	82.4	30.37	29.05
Toronto Maple Leafs	20.3	1981-82	80	20	44	16		56	.350	298	380	73.0	29.10	34.71
Toronto Maple Leafs	20.1	2003-04	82	45	24	10	3	103	.628	242	204	83.4	27.48	26.43
Toronto Maple Leafs	20.0	2020-21	56	35	14		7	77	.688	186	148	78.5	31.27	27.82
Toronto Maple Leafs	19.8	2013-14	82	38	36		8	84	.512	222	252	78.4	27.93	35.91
Toronto Maple Leafs	19.8	1984-85	80	20	52	8		48	.300	253	358	73.9	29.08	32.88
Toronto Maple Leafs	19.2	1993-94	84	43	29	12		98	.583	280	243	81.9	30.12	30.40
Toronto Maple Leafs	18.9	1995-96	82	34	36	12		80	.488	247	252	82.6	32.62	31.84
Toronto Maple Leafs	18.8	2008-09	82	34	35		13	81	.494	244	286	74.7	31.74	30.26
Toronto Maple Leafs	18.7	2012-13	48	26	17		5	57	.594	145	128	87.9	26.33	32.27