The Edmonton Oilers had their highest power-play percentage in a season in 2022-23, at 32.4 percent.

when did the oilers 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
Edmonton Oilers	32.4	2022-23	82	50	23		9	109	.665	325	256	77.0	33.59	31.37
Edmonton Oilers	29.5	2019-20	71	37	25		9	83	.585	223	215	84.4	29.58	32.03
Edmonton Oilers	29.3	1982-83	80	47	21	12		106	.663	424	315	77.5	33.33	32.42
Edmonton Oilers	27.6	2020-21	56	35	19		2	72	.643	183	154	82.5	29.89	30.66
Edmonton Oilers	26.3	2023-24	82	49	27		6	104	.634	292	236	79.5	33.74	28.13
Edmonton Oilers	26.3	1985-86	80	56	17	7		119	.744	426	310	81.1	33.06	34.73
Edmonton Oilers	26.0	2021-22	82	49	27		6	104	.634	285	251	79.4	34.02	32.28
Edmonton Oilers	25.7	1984-85	80	49	20	11		109	.681	401	298	78.3	32.44	32.85
Edmonton Oilers	25.6	1981-82	80	48	17	15		111	.694	417	295	81.7	33.63	31.73
Edmonton Oilers	25.5	1983-84	80	57	18	5		119	.744	446	314	79.7	32.64	33.01
Edmonton Oilers	22.9	2016-17	82	47	26		9	103	.628	243	207	80.7	31.06	29.46
Edmonton Oilers	22.4	1986-87	80	50	24	6		106	.663	372	284	80.0	29.46	29.63
Edmonton Oilers	22.3	1979-80	80	28	39	13		69	.431	301	322	76.4	28.36	30.78
Edmonton Oilers	22.2	1980-81	80	29	35	16		74	.463	328	327	75.4	29.84	29.51
Edmonton Oilers	21.9	1987-88	80	44	25	11		99	.619	363	288	80.8	29.26	29.55
Edmonton Oilers	21.2	2018-19	82	35	38		9	79	.482	229	271	74.8	29.17	31.70
Edmonton Oilers	20.6	1989-90	80	38	28	14		90	.563	315	283	80.3	28.15	29.06
Edmonton Oilers	20.6	2011-12	82	32	40		10	74	.451	207	232	82.4	26.66	30.71
Edmonton Oilers	20.1	2012-13	48	19	22		7	45	.469	123	131	83.4	26.77	32.75
Edmonton Oilers	19.8	1988-89	80	38	34	8		84	.525	325	306	82.8	27.81	30.40
Edmonton Oilers	18.6	1991-92	80	36	34	10		82	.513	295	297	78.0	27.71	31.06
Edmonton Oilers	18.4	1993-94	84	25	45	14		64	.381	261	305	80.5	30.35	34.42
Edmonton Oilers	18.1	2005-06	82	41	28		13	95	.579	249	242	84.1	29.78	25.55
Edmonton Oilers	18.1	2015-16	82	31	43		8	70	.427	199	242	81.1	29.10	31.07
Edmonton Oilers	18.0	1996-97	82	36	37	9		81	.494	252	247	82.5	30.74	31.17