which team has the highest penalty kill percentage+ power play percentage in a season

The New York Islanders have the highest penalty-kill percentage + power-play percentage by a team in a season, with 114.93 in 1977-78.

	TEAM	PK%+PP%	PK%	PP%	SEASON	GP	W	L	T	OTL	PTS	PTS%	SOW	SOL	G	GA	DIFF	S/GP	S%	SA/GP	SV%
1	Islanders	114.93	83.5	31.4	1977-78	80	48	17	15		111	.694			334	210	124	31.13	13.4	28.20	.907
2	Oilers	113.92	84.4	29.5	2019-20	71	37	25		9	83	.585	2	2	223	215	8	29.58	10.6	32.03	.905
3	Hurricanes	113.34	86.4	26.9	2023-24	82	52	23		7	111	.677	2	5	277	211	66	33.33	10.1	25.62	.900
4	Lightning	113.26	85.0	28.2	2018-19	82	62	16		4	128	.780	6	1	319	221	98	31.95	12.2	32.11	.916
5	Canadiens	112.92	81.0	31.9	1977-78	80	59	10	11		129	.806			359	183	176	32.76	13.7	25.94	.912
6	Devils	112.36	81.1	31.3	2024-25	31	18	10		3	39	.629	0	0	103	84	19	30.55	10.9	26.68	.898
7	Hurricanes	112.3	84.0	28.3	2024-25	28	18	9		1	37	.661	0	1	104	82	22	32.25	11.5	25.14	.884
8	Lightning	111.96	83.3	28.6	2023-24	82	45	29		8	98	.598	3	1	288	267	21	29.29	12.0	29.63	.890
9	Canadiens	111.9	83.6	28.3	1978-79	80	52	17	11		115	.719			337	204	133	32.16	13.1	25.41	.900
10	Islanders	111.36	80.2	31.2	1978-79	80	51	15	14		116	.725			358	214	144	28.76	15.6	28.86	.907
11	Blues	111.06	84.1	27.0	2021-22	82	49	22		11	109	.665	2	3	309	239	70	30.39	12.4	31.60	.908
12	Rangers	110.91	84.5	26.4	2023-24	82	55	23		4	114	.695	4	3	278	226	52	31.49	10.8	29.49	.907
13	Hurricanes	110.84	85.2	25.6	2020-21	56	36	12		8	80	.714	4	2	175	134	41	32.04	9.8	28.25	.915
14	Red Wings	110.59	86.4	24.2	1994-95	48	33	11	4		70	.729			180	117	63	32.73	11.5	25.13	.903
15	Canadiens	110.43	81.4	29.1	1979-80	80	47	20	13		107	.669			328	240	88	31.64	13.0	27.69	.892
16	Ducks	110.38	87.2	23.1	2015-16	82	46	25		11	103	.628	3	4	215	188	27	30.28	8.7	27.54	.917
17	Oilers	110.05	82.5	27.6	2020-21	56	35	19		2	72	.643	0	0	183	154	29	29.89	10.9	30.66	.910
18	Hurricanes	110.03	88.0	22.0	2021-22	82	54	20		8	116	.707	1	2	277	200	77	34.12	9.9	28.17	.913
19	Canucks	109.9	85.6	24.3	2010-11	82	54	19		9	117	.713	4	5	258	180	78	32.00	9.8	30.12	.927
20	Islanders	109.64	83.7	26.0	1982-83	80	42	26	12		96	.600			302	226	76	30.36	12.4	29.96	.906
21	Red Wings	109.59	88.3	21.3	1995-96	82	62	13	7		131	.799			325	181	144	32.29	12.3	24.17	.909
22	Bruins	109.5	87.3	22.2	2022-23	82	65	12		5	135	.823	4	3	301	174	127	32.98	11.1	29.84	.929
23	Bruins	109.48	84.3	25.2	2019-20	70	44	14		12	100	.714	0	7	227	167	60	32.10	10.1	30.04	.921
24	Oilers	109.34	77.0	32.4	2022-23	82	50	23		9	109	.665	0	4	325	256	69	33.59	11.8	31.37	.900
25	Maple Leafs	109.32	82.1	27.3	2021-22	82	54	21		7	115	.701	3	1	312	252	60	34.57	11.0	30.62	.900