State grid carbon intensity

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As of

All 51 places by state annual CO2e output rate

Vermont is lowest at 52.239 pounds_per_megawatt_hour; the middle of the board sits at 717.4.

Highest published row: 1,968.869 pounds_per_megawatt_hour
Middle of the board: 717.4

Highest 1,968.869 pounds_per_megawatt_hourMiddle 717.4

Rank 1One bar per published rowRank 51

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EPA eGRID data year: 2023 · 7 checks behind each row · 100% confidence across rows.

State grid carbon intensity current rankings
Rank	Name	State annual CO2e output rate	State	Annual net generation	Coal generation share	Why
01	Vermont	52.239 pounds_per_megawatt_hour	VT	2.5M	0%	This rank
02	Washington	266.585 pounds_per_megawatt_hour	WA	103M	4%	This rank
03	New Hampshire	276.222 pounds_per_megawatt_hour	NH	16.8M	1%	This rank
04	Idaho	313.88 pounds_per_megawatt_hour	ID	17.8M	0%	This rank
05	Maine	316.835 pounds_per_megawatt_hour	ME	12.5M	0.3%	This rank
06	South Dakota	335.582 pounds_per_megawatt_hour	SD	17.4M	9%	This rank
07	Oregon	364.963 pounds_per_megawatt_hour	OR	61.7M	0%	This rank
08	California	394.769 pounds_per_megawatt_hour	CA	216.1M	0.1%	This rank
09	District of Columbia	395.011 pounds_per_megawatt_hour	DC	171.9K	0%	This rank
10	New York	466.616 pounds_per_megawatt_hour	NY	123.5M	0%	This rank
11	New Jersey	470.168 pounds_per_megawatt_hour	NJ	64.2M	0%	This rank
12	Illinois	474.436 pounds_per_megawatt_hour	IL	177.7M	15.3%	This rank
13	Maryland	522.207 pounds_per_megawatt_hour	MD	36M	4.7%	This rank
14	Virginia	539.599 pounds_per_megawatt_hour	VA	91M	1.6%	This rank
15	Connecticut	540.674 pounds_per_megawatt_hour	CT	40.7M	0%	This rank
16	South Carolina	560.363 pounds_per_megawatt_hour	SC	100.9M	15%	This rank
17	North Carolina	626.438 pounds_per_megawatt_hour	NC	126.5M	11.2%	This rank
18	Iowa	634.156 pounds_per_megawatt_hour	IA	69.8M	23.5%	This rank
19	Nevada	643.859 pounds_per_megawatt_hour	NV	42.2M	4.9%	This rank
20	Pennsylvania	647.871 pounds_per_megawatt_hour	PA	235.9M	5.4%	This rank
21	Oklahoma	648.834 pounds_per_megawatt_hour	OK	88.9M	5.7%	This rank
22	Tennessee	661.166 pounds_per_megawatt_hour	TN	77.8M	20.3%	This rank
23	Arizona	689.104 pounds_per_megawatt_hour	AZ	111.8M	10.8%	This rank
24	Delaware	704.171 pounds_per_megawatt_hour	DE	4.8M	0%	This rank
25	Alabama	713.976 pounds_per_megawatt_hour	AL	138.6M	13.7%	This rank
26	Georgia	717.445 pounds_per_megawatt_hour	GA	129.2M	13%	This rank
27	Kansas	733.284 pounds_per_megawatt_hour	KS	58.5M	27.9%	This rank
28	Minnesota	752.329 pounds_per_megawatt_hour	MN	57.3M	22.3%	This rank
29	Louisiana	763.068 pounds_per_megawatt_hour	LA	97.4M	5%	This rank
30	Texas	771.179 pounds_per_megawatt_hour	TX	544M	13%	This rank
31	New Mexico	773.637 pounds_per_megawatt_hour	NM	39.3M	18.8%	This rank
32	Florida	789.133 pounds_per_megawatt_hour	FL	258.1M	4.4%	This rank
33	Michigan	797.432 pounds_per_megawatt_hour	MI	120.6M	19.5%	This rank
34	Alaska	814.457 pounds_per_megawatt_hour	AK	6.7M	10.9%	This rank
35	Mississippi	828.274 pounds_per_megawatt_hour	MS	72.9M	5.5%	This rank
36	Massachusetts	830.101 pounds_per_megawatt_hour	MA	19.7M	0%	This rank
37	Rhode Island	840.004 pounds_per_megawatt_hour	RI	10.4M	0%	This rank
38	Arkansas	998.414 pounds_per_megawatt_hour	AR	63.2M	26.7%	Showing
39	Nebraska	1,025.822 pounds_per_megawatt_hour	NE	39.4M	45.4%	This rank
40	Montana	1,063.921 pounds_per_megawatt_hour	MT	26.9M	43%	This rank
41	Ohio	1,068.27 pounds_per_megawatt_hour	OH	133.1M	23.6%	This rank
42	Colorado	1,091.078 pounds_per_megawatt_hour	CO	57.5M	32.6%	This rank
43	Wisconsin	1,163.572 pounds_per_megawatt_hour	WI	62.5M	33.7%	This rank
44	North Dakota	1,297.852 pounds_per_megawatt_hour	ND	42.1M	53.5%	This rank
45	Hawaii	1,394.68 pounds_per_megawatt_hour	HI	9.2M	0%	This rank
46	Utah	1,421.234 pounds_per_megawatt_hour	UT	32.8M	45.4%	This rank
47	Missouri	1,454.593 pounds_per_megawatt_hour	MO	66.7M	60.5%	This rank
48	Indiana	1,465.502 pounds_per_megawatt_hour	IN	90M	45.5%	This rank
49	Kentucky	1,747.004 pounds_per_megawatt_hour	KY	62.4M	68.6%	This rank
50	Wyoming	1,833.263 pounds_per_megawatt_hour	WY	43.2M	71.4%	This rank
51	West Virginia	1,968.869 pounds_per_megawatt_hour	WV	52.3M	85.7%	This rank

EPA eGRID data year: 2023 · 7 checks behind each row · 100% confidence across rows.

State grid carbon intensity current rankings
Rank	Name	State annual CO2e output rate	State	Annual net generation	Coal generation share	Why
01	Vermont	52.239 pounds_per_megawatt_hour	VT	2.5M	0%	This rank
02	Washington	266.585 pounds_per_megawatt_hour	WA	103M	4%	This rank
03	New Hampshire	276.222 pounds_per_megawatt_hour	NH	16.8M	1%	This rank
04	Idaho	313.88 pounds_per_megawatt_hour	ID	17.8M	0%	This rank
05	Maine	316.835 pounds_per_megawatt_hour	ME	12.5M	0.3%	This rank
06	South Dakota	335.582 pounds_per_megawatt_hour	SD	17.4M	9%	This rank
07	Oregon	364.963 pounds_per_megawatt_hour	OR	61.7M	0%	This rank
08	California	394.769 pounds_per_megawatt_hour	CA	216.1M	0.1%	This rank
09	District of Columbia	395.011 pounds_per_megawatt_hour	DC	171.9K	0%	This rank
10	New York	466.616 pounds_per_megawatt_hour	NY	123.5M	0%	This rank
11	New Jersey	470.168 pounds_per_megawatt_hour	NJ	64.2M	0%	This rank
12	Illinois	474.436 pounds_per_megawatt_hour	IL	177.7M	15.3%	This rank
13	Maryland	522.207 pounds_per_megawatt_hour	MD	36M	4.7%	This rank
14	Virginia	539.599 pounds_per_megawatt_hour	VA	91M	1.6%	This rank
15	Connecticut	540.674 pounds_per_megawatt_hour	CT	40.7M	0%	This rank
16	South Carolina	560.363 pounds_per_megawatt_hour	SC	100.9M	15%	This rank
17	North Carolina	626.438 pounds_per_megawatt_hour	NC	126.5M	11.2%	This rank
18	Iowa	634.156 pounds_per_megawatt_hour	IA	69.8M	23.5%	This rank
19	Nevada	643.859 pounds_per_megawatt_hour	NV	42.2M	4.9%	This rank
20	Pennsylvania	647.871 pounds_per_megawatt_hour	PA	235.9M	5.4%	This rank
21	Oklahoma	648.834 pounds_per_megawatt_hour	OK	88.9M	5.7%	This rank
22	Tennessee	661.166 pounds_per_megawatt_hour	TN	77.8M	20.3%	This rank
23	Arizona	689.104 pounds_per_megawatt_hour	AZ	111.8M	10.8%	This rank
24	Delaware	704.171 pounds_per_megawatt_hour	DE	4.8M	0%	This rank
25	Alabama	713.976 pounds_per_megawatt_hour	AL	138.6M	13.7%	This rank
26	Georgia	717.445 pounds_per_megawatt_hour	GA	129.2M	13%	This rank
27	Kansas	733.284 pounds_per_megawatt_hour	KS	58.5M	27.9%	This rank
28	Minnesota	752.329 pounds_per_megawatt_hour	MN	57.3M	22.3%	This rank
29	Louisiana	763.068 pounds_per_megawatt_hour	LA	97.4M	5%	This rank
30	Texas	771.179 pounds_per_megawatt_hour	TX	544M	13%	This rank
31	New Mexico	773.637 pounds_per_megawatt_hour	NM	39.3M	18.8%	This rank
32	Florida	789.133 pounds_per_megawatt_hour	FL	258.1M	4.4%	This rank
33	Michigan	797.432 pounds_per_megawatt_hour	MI	120.6M	19.5%	This rank
34	Alaska	814.457 pounds_per_megawatt_hour	AK	6.7M	10.9%	This rank
35	Mississippi	828.274 pounds_per_megawatt_hour	MS	72.9M	5.5%	This rank
36	Massachusetts	830.101 pounds_per_megawatt_hour	MA	19.7M	0%	This rank
37	Rhode Island	840.004 pounds_per_megawatt_hour	RI	10.4M	0%	This rank
38	Arkansas	998.414 pounds_per_megawatt_hour	AR	63.2M	26.7%	Showing
39	Nebraska	1,025.822 pounds_per_megawatt_hour	NE	39.4M	45.4%	This rank
40	Montana	1,063.921 pounds_per_megawatt_hour	MT	26.9M	43%	This rank
41	Ohio	1,068.27 pounds_per_megawatt_hour	OH	133.1M	23.6%	This rank
42	Colorado	1,091.078 pounds_per_megawatt_hour	CO	57.5M	32.6%	This rank
43	Wisconsin	1,163.572 pounds_per_megawatt_hour	WI	62.5M	33.7%	This rank
44	North Dakota	1,297.852 pounds_per_megawatt_hour	ND	42.1M	53.5%	This rank
45	Hawaii	1,394.68 pounds_per_megawatt_hour	HI	9.2M	0%	This rank
46	Utah	1,421.234 pounds_per_megawatt_hour	UT	32.8M	45.4%	This rank
47	Missouri	1,454.593 pounds_per_megawatt_hour	MO	66.7M	60.5%	This rank
48	Indiana	1,465.502 pounds_per_megawatt_hour	IN	90M	45.5%	This rank
49	Kentucky	1,747.004 pounds_per_megawatt_hour	KY	62.4M	68.6%	This rank
50	Wyoming	1,833.263 pounds_per_megawatt_hour	WY	43.2M	71.4%	This rank
51	West Virginia	1,968.869 pounds_per_megawatt_hour	WV	52.3M	85.7%	This rank

Some explanation inputs are unavailable. Not published: the evidence frozen with this snapshot, comparable prior ranking.

Ranks the exact 50-state-plus-DC cohort by EPA eGRID annual generation-based CO2e total output rate.

38

Rank on this board

998.414 pounds_per_megawatt_hour

Score

7

Inputs behind the score

100% confidence · 1 of 2 components evidenced

What the score is built from

1 of 2 evidenced

Components of Arkansas's score
Component	Value	Contribution	Evidence	Status
Co2e output rate	998.4140000000	—	0	not publishedNo evidence frozen with this snapshot
Egrid state co2e output rate lb mwh	Not published	998.414	1	evidenced

New in this snapshot

No change in rank

no_prior_published_snapshot

No component moved since the previous snapshot.

Where each number comes from

7 public records

State annual CO2e output rateEgrid state co2e output rate lb mwh · observed Dec 31, 2023, 11:59 PM UTC998.414 pounds_per_megawatt_hour100% confidence
Source
U.S. EPA eGRID2023 Revision 2 detailed data
Grade
A
Freshness
fresh
Locator
{"fieldRow":2,"labelRow":1,"workbook":"egrid2023_data_rev2.xlsx","worksheet":"ST23","yearField":"YEAR","stateField":"PSTATABB","metricFields":["STC2ERTA","STNAMEPCAP","STNGENAN","STCLPR","STGSPR","STNCPR","STTRPR"]}
Open the source
Coal generation shareEgrid state coal generation share percent · observed Dec 31, 2023, 11:59 PM UTC26.7 percent100% confidence
Source
U.S. EPA eGRID2023 Revision 2 detailed data
Grade
A
Freshness
fresh
Locator
{"fieldRow":2,"labelRow":1,"workbook":"egrid2023_data_rev2.xlsx","worksheet":"ST23","yearField":"YEAR","stateField":"PSTATABB","metricFields":["STC2ERTA","STNAMEPCAP","STNGENAN","STCLPR","STGSPR","STNCPR","STTRPR"]}
Open the source
Gas generation shareEgrid state gas generation share percent · observed Dec 31, 2023, 11:59 PM UTC41.9 percent100% confidence
Source
U.S. EPA eGRID2023 Revision 2 detailed data
Grade
A
Freshness
fresh
Locator
{"fieldRow":2,"labelRow":1,"workbook":"egrid2023_data_rev2.xlsx","worksheet":"ST23","yearField":"YEAR","stateField":"PSTATABB","metricFields":["STC2ERTA","STNAMEPCAP","STNGENAN","STCLPR","STGSPR","STNCPR","STTRPR"]}
Open the source
State nameplate capacityEgrid state nameplate capacity MW · observed Dec 31, 2023, 11:59 PM UTC17,060.1 megawatt100% confidence
Source
U.S. EPA eGRID2023 Revision 2 detailed data
Grade
A
Freshness
fresh
Locator
{"fieldRow":2,"labelRow":1,"workbook":"egrid2023_data_rev2.xlsx","worksheet":"ST23","yearField":"YEAR","stateField":"PSTATABB","metricFields":["STC2ERTA","STNAMEPCAP","STNGENAN","STCLPR","STGSPR","STNCPR","STTRPR"]}
Open the source
State annual net generationEgrid state net generation mwh · observed Dec 31, 2023, 11:59 PM UTC63,195,646.552 megawatt_hour100% confidence
Source
U.S. EPA eGRID2023 Revision 2 detailed data
Grade
A
Freshness
fresh
Locator
{"fieldRow":2,"labelRow":1,"workbook":"egrid2023_data_rev2.xlsx","worksheet":"ST23","yearField":"YEAR","stateField":"PSTATABB","metricFields":["STC2ERTA","STNAMEPCAP","STNGENAN","STCLPR","STGSPR","STNCPR","STTRPR"]}
Open the source
Nuclear generation shareEgrid state nuclear generation share percent · observed Dec 31, 2023, 11:59 PM UTC23.7 percent100% confidence
Source
U.S. EPA eGRID2023 Revision 2 detailed data
Grade
A
Freshness
fresh
Locator
{"fieldRow":2,"labelRow":1,"workbook":"egrid2023_data_rev2.xlsx","worksheet":"ST23","yearField":"YEAR","stateField":"PSTATABB","metricFields":["STC2ERTA","STNAMEPCAP","STNGENAN","STCLPR","STGSPR","STNCPR","STTRPR"]}
Open the source
Renewable generation shareEgrid state renewable generation share percent · observed Dec 31, 2023, 11:59 PM UTC7.7 percent100% confidence
Source
U.S. EPA eGRID2023 Revision 2 detailed data
Grade
A
Freshness
fresh
Locator
{"fieldRow":2,"labelRow":1,"workbook":"egrid2023_data_rev2.xlsx","worksheet":"ST23","yearField":"YEAR","stateField":"PSTATABB","metricFields":["STC2ERTA","STNAMEPCAP","STNGENAN","STCLPR","STGSPR","STNCPR","STTRPR"]}
Open the source

Embed this table

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<iframe src="https://www.rank.ai/embed/boards/state-grid-carbon-intensity" title="State grid carbon intensity" width="100%" height="420" loading="lazy" style="border:1px solid #111;max-width:720px"></iframe>
<p style="font-size:12px">Source: <a href="https://www.rank.ai/rankings/power/state-grid-carbon-intensity">State grid carbon intensity</a> by Rank.ai</p>

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