which team had the most pp points in a season

The Pittsburgh Penguins have the most power-play goals by a team in a season, with 342 points in 1988-89.

	TEAM	PPP	SEASON	GP	W	L	T	OTL	PTS	PTS%	SOW	SOL	G	GA	DIFF	PP%	PK%	S/GP	S%	SA/GP	SV%
1	Penguins	342	1988-89	80	40	33	7		87	.544			347	349	-2	24.5	77.0	28.51	15.2	35.70	.878
2	Red Wings	331	1992-93	84	47	28	9		103	.613			369	280	89	24.9	81.2	32.92	13.3	28.87	.885
3	Penguins	322	1995-96	82	49	29	4		102	.622			362	284	78	26.0	83.3	32.26	13.7	34.63	.900
4	Rangers	317	1987-88	80	36	34	10		82	.513			300	283	17	22.6	80.6	31.76	11.8	30.48	.884
5	Flames	317	1987-88	80	48	23	9		105	.656			397	305	92	28.5	80.4	33.33	14.9	29.65	.871
6	Penguins	316	1987-88	80	36	35	9		81	.506			319	316	3	22.0	76.4	31.30	12.7	31.05	.873
7	Jets	316	1987-88	80	33	36	11		77	.481			292	310	-18	25.5	78.8	31.39	11.6	29.84	.870
8	Maple Leafs	313	2005-06	82	41	33		8	90	.549	3	7	254	263	-9	21.4	80.0	28.33	10.9	30.60	.895
9	Penguins	308	1992-93	84	56	21	7		119	.708			367	268	99	23.9	83.2	32.44	13.5	30.73	.896
10	Red Wings	298	2005-06	82	58	16		8	124	.756	4	3	301	206	95	22.1	85.5	34.10	10.8	26.59	.906
11	Kings	297	1992-93	84	39	35	10		88	.524			338	340	-2	20.1	78.4	33.99	11.8	34.38	.882
12	Senators	296	2005-06	82	52	21		9	113	.689	2	6	312	205	107	20.8	84.7	34.28	11.1	28.59	.913
13	Sabres	294	2005-06	82	52	24		6	110	.671	5	5	276	234	42	21.2	86.6	30.61	11.0	30.51	.906
14	Nordiques	293	1992-93	84	47	27	10		104	.619			351	300	51	21.8	80.6	29.99	13.9	30.32	.882
15	Sabres	292	1991-92	80	31	37	12		74	.463			289	299	-10	22.5	78.5	32.50	11.1	32.25	.884
16	Rangers	292	1989-90	80	36	31	13		85	.531			279	267	12	23.3	78.7	29.81	11.7	30.04	.889
17	Flames	291	1988-89	80	54	17	9		117	.731			354	226	128	25.2	82.8	34.64	12.8	25.74	.890
18	Nordiques	291	1987-88	80	32	43	5		69	.431			271	306	-35	21.7	76.6	29.88	11.3	29.04	.868
19	Flames	290	1989-90	80	42	23	15		99	.619			348	265	83	27.7	79.2	34.35	12.7	25.34	.869
20	Kings	290	1987-88	80	30	42	8		68	.425			318	359	-41	21.7	77.4	30.75	12.9	32.11	.860
21	Nordiques	288	1985-86	80	43	31	6		92	.575			330	289	41	23.6	81.3	32.35	12.8	29.94	.879
22	Maple Leafs	287	1992-93	84	44	29	11		99	.589			288	241	47	21.0	82.4	30.37	11.3	29.05	.901
23	Thrashers	286	2005-06	82	41	33		8	90	.549	5	5	276	270	6	18.9	79.2	30.76	10.9	30.28	.891
24	Blackhawks	283	1987-88	80	30	41	9		69	.431			284	328	-44	23.0	80.2	29.34	12.1	35.67	.885
25	Flyers	282	1988-89	80	36	36	8		80	.500			307	285	22	26.7	81.5	29.86	12.9	30.55	.883