Scouting Maine's top greenhouse gas emitters by satellite

Scouting Maine's top greenhouse gas emitters by satellite

By Annie Ropeik

 

New data from the nonprofit Climate TRACE is shedding new light on Maine and the world's largest, and hardest to quantify, sources of planet-warming greenhouse gas emissions. Today we're taking a look at these numbers to get a sense of how Maine's biggest emitters stack up in the global context.

The New York Times describes Climate TRACE as a "coalition of environmental groups, technology companies and academic scientists," with funding sources including Al Gore and Google. "Climate TRACE says it can produce emissions estimates that are more up-to-date than existing ones, and that rely less on information reported by governments about their own countries’ emissions," the NYT wrote. "It does this largely by mining satellite imagery and other data to get a more precise measure of individual facilities’ production activity, then estimating their emissions."

The data, which experts emphasize is not yet peer-reviewed, was recently updated to cover 2021. It now spans nearly 80,000 direct and indirect emissions sources — not just power plants and drilling sites, but factories, landfills, farmland and more.

The caveat, before we explore the top emissions sources listed for Maine, is that this data is not yet comprehensive. For example, Climate TRACE's map does not show any of Maine's fossil fuel-burning power plants, which we know from federal data are major sources of emissions. According to the group's methodology files, their data is still a patchwork — it may only list the top 500 emitters for some sectors, or only facilities with certain kinds of available data. I pulled federal data on Maine power plants for comparison purposes, and threw it together with Climate TRACE in a spreadsheet you can explore.

Now, the global context: Climate TRACE shows the top source of emissions in the world as the Permian Basin in Texas, home to thousands of oil and gas drilling operations that are seeing record productivity this year. Other oil and gas fields in Russia, Iran, the U.S. and China cover the top 14 emitters in the 2021 data. Next on the list, at 15th in the world, is a steel plant in China.

Zooming in, we see the biggest emissions source in New England — which doesn't produce its own fossil fuels, but relies heavily on importing them for heating, transportation and electricity — is Boston Logan International Airport, which caused nearly 830,000 tons of carbon dioxide-equivalent emissions in 2021. (CO2e, as it's known, is a way of normalizing and adding up the warming effects of different greenhouse gases.) Logan ranks 3,752th out of the world's emissions sources — between a crop-growing area in China, and a refinery in Belarus.

The city of Boston itself doesn't crack the top 1,000. The data shows Boston's 2021 emissions were comparable to those of Dallas-Fort Worth International Airport (reportedly the second-busiest in the world as of 2021), or Exxon's Beaumont petrochemical refinery in Texas.

With that in mind, let's go way down the list to the emissions sources for Maine. The biggest emitter listed is Casella's Pinetree Landfill in Hampden, ranked 7,510th globally, between the Adelaide, Australia airport and a copper mine in Peru. Climate TRACE says Pinetree emitted more than 260,000 tons of greenhouse gases in 2021. Landfills put out carbon and methane as the trash inside them — much of it plastic, which is made of fossil fuels — decomposes.

The state's many other, smaller landfills round out the list. For example, Waste Management's Crossroads Landfill in Norridgewock is 4th among emitters listed in Maine and 10,670th globally, akin in its emissions to a large cargo or cruise ship. Climate TRACE says Casella's Juniper Ridge Landfill in Alton (the 15,568th-largest emitter listed globally) emits a little less than a coal mine in Indonesia.

The second-biggest emitter listed for Maine is Dragon Products' cement plant in Thomaston. The energy required to make cement makes the industry one of the largest polluters globally — if it was a country, it would be the third-biggest emitter in the world, according to Carbon Brief. The Thomaston plant ranks 8,798th in the world overall for its emissions, putting out more than 152,000 tons of CO2e in 2021.

The other big feature of the list is Maine's airports, where carbon-dense jet fuel and gas or diesel for ground transportation are major emissions sources. The Portland International Jetport is listed third for Maine and 9,333rd in the world, akin to a landfill in Malaysia or a coal mine in South Africa. The Bangor airport (the 11,936th-largest emitter in the world, according to Climate TRACE) emits a little more than a particular dairy cattle feedlot in California.

I noted earlier that Climate TRACE does not list emissions for power plants in Maine, so I went digging in the Energy Information Administration's data mines for something to compare. The EIA lists carbon emissions (not CO2e) for individual electricity generation facilities through 2020, including ones that feed the regional power grid and that only power specific industrial facilities.

There are three of these power plants in Maine that, in 2020, emitted more carbon than the amount of greenhouse gases Climate TRACE says came from Pinetree Landfill or the Dragon cement plant in 2021: the gas-fired Westbrook Energy Center, a grid-facing power plant owned by Calpine; the Androscoggin Energy Center, which uses gas to power the Pixelle paper mill in Jay that is slated to close next year; and the solid waste-burning Rumford Cogeneration Plant that powers the large ND Paper mill.

Two more facilities rank above the Portland Jetport: ND Paper in Rumford again, with the coal it burns when it doesn't have enough trash to meet its energy needs (many items in EIA's data are individual burners or turbines at the same facility, and ND Paper appears yet again later on the list with emissions from gas); and the gas-fired turbine that powers the Woodland Pulp paper mill in Baileyville.

Taken together, these datasets paint a picture of large-scale Maine emissions that come primarily from landfilling, air travel and the paper and cement industries. And there is one other missing piece to consider, which even an innovative analysis like Climate TRACE's would struggle to pin down: the many individual gas-powered cars and trucks, and home oil, propane and wood burners, that keep Mainers warm and on the move. Transportation and heating oil are the major priorities in the state's climate plan. As the world gets better at analyzing its emissions sources, these policy solutions may evolve and grow too.

   MAINE FACILITIES BY RANK- LARGEST EMIITER AT TOP

   NOTE: NO BIOMASS PLANTS

Name Location Type Source Emissions CT: Global rank
Westbrook Energy Center Power Plant Westbrook Gas electricity generator EIA 430,021.26
Rumford Cogeneration Rumford Trash electricity generator EIA 303,812.32
Androscoggin Energy Center (Pixelle paper) Jay Gas electricity generator EIA 278,849.80
Pinetree Landfill Hampden Landfill Climate TRACE 260,460.00 7,510.00
Dragon Cement Plant Thomaston Cement plant Climate TRACE 152,660.00 8,798.00
Rumford Cogeneration (ND Paper) Rumford Coal electricity generator EIA 136,322.10
Woodland Pulp Baileyville Gas electricity generator EIA 124,413.52
Portland International Jetport Portland Airport Climate TRACE 122,290.00 9,333.00
Somerset Plant (Sappi mill) Skowhegan Trash electricity generator EIA 98,044.20
Somerset Plant (Sappi mill) Skowhegan Gas electricity generator EIA 90,996.53
Maine Independence Station Veazie Gas electricity generator EIA 82,279.95
Regional Waste Systems (ecomaine) Portland Trash electricity generator EIA 81,989.73
Crossroads Landfill Norridgewock Landfill Climate TRACE 79,290.00 10,670.00
Rumford Power LLC Rumford Gas electricity generator EIA 73,477.81
Penobscot Energy Recovery Orrington Trash electricity generator EIA 63,688.95
Mead Rumford Cogen (ND Paper) Rumford Gas electricity generator EIA 58,260.17
Bangor International Airport Bangor Airport Climate TRACE 55,380.00 11,936.00
S D Warren Westbrook Westbrook Coal electricity generator EIA 34,033.67
Tri-Community Landfill Caribou Landfill Climate TRACE 33,120.00 14,844.00
MMWAC Resource Recovery Facility Auburn Trash electricity generator EIA 32,563.84
Juniper Ridge Landfill Alton Landfill Climate TRACE 30,400.00 15,568.00
Eastern Maine Medical Center Bangor Gas electricity generator EIA 25,563.83
Ecomaine Landfill/Ashfill Portland Landfill Climate TRACE 24,780.00 17,159.00
Brunswick Landfill Brunswick Landfill Climate TRACE 24,700.00 17,190.00
Somerset Plant (Sappi mill) Skowhegan Oil electricity generator EIA 24,137.93
Rumford Cogeneration (ND Paper) Rumford Oil electricity generator EIA 23,489.47
Bath Landfill Bath Landfill Climate TRACE 20,720.00 18,980.00
Presque Isle Landfill Presque Isle Landfill Climate TRACE 20,620.00 19,036.00
Androscoggin Mill (Pixelle paper) Jay Gas electricity generator EIA 17,838.16
William F Wyman Hybrid Yarmouth Oil electricity generator EIA 15,801.80
Hatch Hill Landfill Augusta Landfill Climate TRACE 14,860.00 23,060.00
Presque Isle International Airport Presque Isle Airport Climate TRACE 4,210.00 35,593.00
S D Warren Westbrook Westbrook Oil electricity generator EIA 3,744.46
Cape Gas Turbine Portland Oil electricity generator EIA 3,118.47
Penobscot Energy Recovery Orrington Oil electricity generator EIA 2,548.28
Bucksport Generation LLC Bucksport Gas electricity generator EIA 2,376.50
Regional Waste Systems (ecomaine) Portland Gas electricity generator EIA 1,432.24
Androscoggin Energy Center Jay Oil electricity generator EIA 1,126.50
Little Squaw Landfill Greenville Landfill Climate TRACE 1,000.00 42,914.00
Caratunks Forks, West Forks (CFWF) Landfill West Forks Landfill Climate TRACE 739.00 43,617.00
MMWAC Resource Recovery Facility Auburn Gas electricity generator EIA 400.68
Bucksport Generation LLC Bucksport Oil electricity generator EIA 313.42
Hancock County-Bar Harbor Airport Ellsworth Airport Climate TRACE 226.00 45,114.00
Knox County Regional Airport Rockland Airport Climate TRACE 153.00 45,371.00
Augusta State Airport Augusta Airport Climate TRACE 135.00 45,456.00
William F Wyman Hybrid Yarmouth Oil electricity generator EIA 125.69
Robbins Lumber Searsmont Oil electricity generator EIA 97.25
Somerset Plant (Sappi mill) Skowhegan Oil electricity generator EIA 64.07
Indeck West Enfield Energy Center Enfield Oil electricity generator EIA 31.12
Indeck Jonesboro Energy Center Jonesboro Oil electricity generator EIA 29.11

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Comment by Pineo Girl on November 19, 2022 at 5:08pm

WOW!  Thanks for all you do Dan...

 

Maine as Third World Country:

CMP Transmission Rate Skyrockets 19.6% Due to Wind Power

 

Click here to read how the Maine ratepayer has been sold down the river by the Angus King cabal.

Maine Center For Public Interest Reporting – Three Part Series: A CRITICAL LOOK AT MAINE’S WIND ACT

******** IF LINKS BELOW DON'T WORK, GOOGLE THEM*********

(excerpts) From Part 1 – On Maine’s Wind Law “Once the committee passed the wind energy bill on to the full House and Senate, lawmakers there didn’t even debate it. They passed it unanimously and with no discussion. House Majority Leader Hannah Pingree, a Democrat from North Haven, says legislators probably didn’t know how many turbines would be constructed in Maine if the law’s goals were met." . – Maine Center for Public Interest Reporting, August 2010 https://www.pinetreewatchdog.org/wind-power-bandwagon-hits-bumps-in-the-road-3/From Part 2 – On Wind and Oil Yet using wind energy doesn’t lower dependence on imported foreign oil. That’s because the majority of imported oil in Maine is used for heating and transportation. And switching our dependence from foreign oil to Maine-produced electricity isn’t likely to happen very soon, says Bartlett. “Right now, people can’t switch to electric cars and heating – if they did, we’d be in trouble.” So was one of the fundamental premises of the task force false, or at least misleading?" https://www.pinetreewatchdog.org/wind-swept-task-force-set-the-rules/From Part 3 – On Wind-Required New Transmission Lines Finally, the building of enormous, high-voltage transmission lines that the regional electricity system operator says are required to move substantial amounts of wind power to markets south of Maine was never even discussed by the task force – an omission that Mills said will come to haunt the state.“If you try to put 2,500 or 3,000 megawatts in northern or eastern Maine – oh, my god, try to build the transmission!” said Mills. “It’s not just the towers, it’s the lines – that’s when I begin to think that the goal is a little farfetched.” https://www.pinetreewatchdog.org/flaws-in-bill-like-skating-with-dull-skates/

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Hannah Pingree on the Maine expedited wind law

Hannah Pingree - Director of Maine's Office of Innovation and the Future

"Once the committee passed the wind energy bill on to the full House and Senate, lawmakers there didn’t even debate it. They passed it unanimously and with no discussion. House Majority Leader Hannah Pingree, a Democrat from North Haven, says legislators probably didn’t know how many turbines would be constructed in Maine."

https://pinetreewatch.org/wind-power-bandwagon-hits-bumps-in-the-road-3/

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