UPDATE 1-US gas futures hit seven-week high as heat drives demand and output slips

Adds latest prices

Record heat in Washington D.C. drives surge in power demand and spot electricity prices

US gas output slips in May, LNG exports fall due to plant maintenance, per LSEG data

Three US LNG vessels set to reach China in June, first direct shipments since Feb 2025

By Scott DiSavino

- U.S. natural gas futures climbed about 2% to a seven-week high on Monday on forecasts for warmer-than-expected weather and higher air conditioning demand over the next two weeks, as well as lower output in recent weeks.

Front-month gas futures for June delivery NGc1 on the New York Mercantile Exchange rose 6.4 cents, or 2.2%, to settle at $3.024 per million British thermal units (mmBtu), their highest close since March 27 for a second day in a row.

Financial group LSEG said average gas output in the U.S. Lower 48 states slipped to 109.5 billion cubic feet per day (bcfd) so far in May, from 109.8 bcfd in April and a monthly record high of 110.6 bcfd in December 2025.

Meteorologists forecast the weather will remain mostly warmer than normal through June 2.

RECORD HEAT IN WASHINGTON DC

Temperatures in Washington D.C. will reach record-breaking levels of 99 degrees Fahrenheit (37.2 degrees Celsius) on Monday, 101 F on Tuesday and 97 F on Wednesday, according to weather forecaster AccuWeather.

That compares with an all-time high of 96 F hit on May 18, 1877, May 19, 1997, and on May 20, 1996. The normal high in the nation's capital around this time of year is 77 F.

To escape the heat, homes and businesses in the PJM power grid, which includes Washington, cranked up their air conditioners, boosting spot prices for Monday by 249% to $145 per megawatt-hour, the highest since February. PJM manages the electric grid in all or part of 13 states from New Jersey to Illinois.

LSEG projected average gas demand in the Lower 48 states, including exports, would rise from 98.1 bcfd this week to 98.8 bcfd next week. The forecast for this week was lower than LSEG's outlook on Friday.

Average gas flows to the nine big U.S. LNG export plants fell from a monthly record high of 18.8 bcfd in April to 17.0 bcfd so far in May due to spring maintenance reductions at several plants, including ExxonMobil XOM.N/QatarEnergy's Golden Pass and Freeport LNG's plant in Texas.

In other LNG news, there are now three vessels expected to reach China in June directly from the U.S.

No LNG vessel has sailed straight from the U.S. to China since February 2025, according to LSEG data, due primarily to trade disruptions between the world's two economic superpowers during U.S. President Donald Trump's second term.

Week ended May 15 Forecast

Week ended May 8 Actual

Year ago May 15

Five-year average (2021-2025) May 15

U.S. weekly natgas storage change (bcf):

+85

+85

+119

+92

U.S. total natgas in storage (bcf):

2,375

2,290

2,358

2,242

U.S. total storage versus 5-year average

+5.9%

+6.5%

Global Gas Benchmark Futures ($ per mmBtu)

Current Day

Prior Day

This Month Last Year

Prior Year Average 2025

Five-Year Average (2021-2025)

Henry Hub NGc1

3.05

2.96

3.46

3.62

3.79

Title Transfer Facility (TTF) TRNLTTFMc1

17.45

17.23

11.68

11.94

18.51

Japan-Korea Marker (JKM) JKMc1

18.80

17.11

11.83

12.24

18.12

LSEG U.S. Global Forecast System (GFS) Heating, Cooling and Total Degree Days

Two-Week Total Forecast

Current Day

Prior Day

Prior Year

10-Year Norm

30-Year Norm

U.S. GFS Heating Degree Days (HDD)

30

36

41

44

49

U.S. GFS Cooling Degree Days (CDD)

131

113

91

102

92

U.S. GFS Total Degree Days (TDD)

161

149

132

146

141

LSEG U.S. Weekly GFS Supply and Demand Forecasts

Prior Week

Current Week

Next Week

This Week Last Year

Five-Year (2021-2025) Average for Month

U.S. Supply (bcfd)

U.S. Lower 48 Dry Production

109.1

109.8

109.8

106.2

100.1

U.S. Imports from Canada

6.8

6.3

6.8

N/A

7.3

U.S. LNG Imports

0.0

0.0

0.0

0.0

0.0

Total U.S. Supply

115.9

116.0

116.6

N/A

107.4

U.S. Demand (bcfd)

U.S. Exports to Canada

2.7

2.8

2.8

N/A

2.4

U.S. Exports to Mexico

7.4

7.1

7.1

N/A

6.5

U.S. LNG Export Feedgas

16.7

17.0

17.4

15.2

12.9

U.S. Commercial

5.7

5.1

4.8

5.7

5.9

U.S. Residential

6.1

4.9

4.4

5.9

6.3

U.S. Power Plant

30.7

31.9

33.3

32.5

30.6

U.S. Industrial

22.1

21.8

21.6

22.7

22.0

U.S. Plant Fuel

5.4

5.4

5.4

5.4

5.2

U.S. Pipe Distribution

1.9

1.9

1.9

1.9

2.8

U.S. Vehicle Fuel

0.1

0.1

0.1

0.1

0.2

Total U.S. Consumption

72.1

71.2

71.5

74.2

73.0

Total U.S. Demand

98.9

98.1

98.8

N/A

94.8

N/A = Not Available

U.S. Northwest River Forecast Center (NWRFC) at The Dalles Dam (fiscal year ending September 30)

2026 Current Day % of Normal Forecast

2026 Prior Day % of Normal Forecast

2025 % of Normal Actual

2024

% of Normal Actual

2023

% of Normal Actual

Apr-Sep

89

89

76

74

83

Jan-Jul

92

93

78

76

77

Oct-Sep

97

98

80

77

76

U.S. weekly power generation percent by fuel - EIA

Week ended May 22

Week ended May 15

2025

2024

2023

Wind

18

15

11

11

10

Solar

10

11

6

5

4

Hydro

7

7

6

6

6

Other

1

1

1

1

2

Petroleum

0

0

0

0

0

Natural Gas

32

35

40

42

41

Coal

13

13

18

16

17

Nuclear

20

19

18

19

19

SNL U.S. Natural Gas Next-Day Prices ($ per mmBtu)

Hub

Current Day

Prior Day

This Month Last Year

Prior Year Average 2025

Five-Year Average (2021-2025)

Henry Hub NG-W-HH-SNL

2.89

2.79

3.12

3.52

3.72

Transco Z6 New York NG-CG-NY-SNL

2.12

2.05

2.35

3.53

3.56

PG&E Citygate NG-CG-PGE-SNL

1.46

1.47

2.89

3.42

5.47

Eastern Gas (formerly Dominion South) NG-PCN-APP-SNL

2.00

2.04

2.25

2.79

2.96

Chicago Citygate NG-CG-CH-SNL

2.35

2.32

2.86

3.23

3.60

Algonquin Citygate NG-CG-BS-SNL

2.14

2.27

2.82

6.08

5.04

SoCal Citygate NG-SCL-CGT-SNL

2.15

2.18

2.98

3.60

5.71

Waha Hub NG-WAH-WTX-SNL

-4.40

-3.58

1.34

1.15

2.88

AECO NG-ASH-ALB-SNL

1.14

1.05

1.32

1.13

2.13

Intercontinental Exchange (ICE) U.S. Power Next-Day Prices ($ per megawatt-hour)

Hub

Current Day

Prior Day

This Month Last Year

Prior Year Average 2025

Five-Year Average (2021-2025)

New England E-NEPLMHP-IDX

52.50

44.98

40.31

77.61

61.79

PJM West E-PJWHRTP-IX

145.48

41.66

43.04

60.23

54.47

Mid-Columbia (Mid C) W-MIDCP-IDX

13.91

2.46

39.90

44.81

68.96

Palo Verde W-PVP-IDX

10.00

9.88

29.10

34.82

59.94

South Path-15 (SP-15) W-SP15-IDX

5.29

-2.38

17.36

28.44

53.02