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Maui Oil and Gas Field
The Maui Oil and Gas Field is an offshore gas-condensate field in the Taranaki Basin, New Zealand, discovered in 1969 and once among the world's largest gas finds.
Maules Creek Coal Mine
The Maules Creek Coal Mine is an open-cut thermal coal mine in Leard State Forest in New South Wales, Australia, owned by Whitehaven Coal and producing up to 13 million tonnes a year since 2014.
Maurel & Prom
Maurel & Prom is a French oil and gas exploration and production company, founded in 1831 as a shipping business and now majority-owned by Indonesia's Pertamina.
Mawan power station
Mawan power station (深圳能源妈湾电厂) is a coal- and gas-fired power station in Nanshan District, Shenzhen, China, built between 1993 and 2003 and now being replaced with gas and ultra-supercritical coal units.
Maxell
Maxell (マクセル) is a Japanese battery manufacturer headquartered in Tokyo and Kyoto. Established in 1960 as a spin-off of Nitto Electric Industrial, it made Japan's first alkaline dry battery.
Maxeon Solar Technologies, Ltd.
Maxeon Solar Technologies is a Singapore-headquartered manufacturer of solar cells and panels, spun off from SunPower in 2020 and best known for its interdigitated back contact (IBC) cell technology.
Maximum allowable operating pressure
Maximum allowable operating pressure (MAOP) is the highest pressure at which a pipeline segment may be operated under US pipeline safety regulation, set by 49 CFR § 192.619.
Maximum power point tracking
Maximum power point tracking (MPPT), typically performed by an inverter or DC-DC converter, continuously adjusts a photovoltaic array's operating point to deliver the greatest power available as sunlight and temperature vary.
Maxwell Technologies
Maxwell Technologies is an American energy-storage company in San Diego, California, known for ultracapacitors used in cars, wind turbines, and grids, with origins dating to 1965.
May Oil and Gas Field
May is an oil and gas field in the Gulf of Mexico off Tabasco, Mexico, owned by PEMEX. Discovered in 1992, it has produced gas and condensate since 2005.
Maya crude
Maya crude is a heavy, sour crude oil produced in Mexico by the state oil company Pemex, with an API gravity of 21 to 22 degrees and 3.4 percent sulfur.
Mayak (Производственное объединение «Маяк»)
Mayak, also known as the Mayak Production Association, is a Russian nuclear enterprise in Ozyorsk, founded in 1945 as Plant No. 817 to produce the first Soviet plutonium.
Maydan Mahzam Oil and Gas Field
Maydan Mahzam is an offshore oil and gas field in Qatari waters, discovered by Shell in 1963 and producing since 1965, about 110 km northeast of mainland Qatar.
Mazeikiai-Butinge Oil Pipeline
The Mazeikiai-Butinge Oil Pipeline is a 91.5 km crude oil pipeline in western Lithuania, connecting the Butinge Oil Terminal on the Baltic Sea with the Mazeikiai refinery.
Mbede Oil and Gas Field
The Mbede Oil and Gas Field is an onshore oil and gas field in Nigeria's Niger Delta, operated by the Nigerian Agip Oil Company joint venture since 1972.
Mcarthur River Oil and Gas Field
The McArthur River oil and gas field, operated as the Trading Bay Unit, is an offshore field in upper Cook Inlet, Alaska, discovered in 1965 and in production since 1967.
McArthur River uranium mine
The McArthur River uranium mine is an underground mine in the Athabasca Basin of northern Saskatchewan and the world's largest high-grade uranium mine, owned by Cameco and Orano.
McCarthy Building Companies
McCarthy Building Companies is an American general contractor headquartered in St. Louis, Missouri, founded in 1864, and one of the nation's largest builders of utility-scale solar and battery storage projects.
McClean Lake mill
The McClean Lake mill, also called the JEB mill, is a uranium ore processing plant in northern Saskatchewan, Canada, operated by Orano Canada since 1999.
McDermott International
McDermott International is an engineering, procurement, construction, and installation contractor for the energy industry, founded in 1923 in Eastland, Texas, and known for offshore platform and LNG projects.
McDonough Steam Generating Plant
McDonough Steam Generating Plant, also called Plant McDonough-Atkinson, is a Georgia Power natural gas station in Smyrna, Georgia, with three combined cycle units totaling 2,520 MW.
Mcelmo Oil and Gas Field
The McElmo Oil and Gas Field is a field in southwestern Colorado whose McElmo Dome holds one of the world's largest known deposits of nearly pure natural carbon dioxide.
McGuire Nuclear Station
McGuire Nuclear Station is a two-unit nuclear power plant operated by Duke Energy on Lake Norman near Huntersville, North Carolina, serving the Charlotte region since 1981.
McIntosh Combined Cycle Facility
The McIntosh Combined Cycle Facility is a natural gas power plant in Rincon, Effingham County, Georgia, owned by Georgia Power and generating about 7.8 TWh per year since 2005.
McNary Dam
McNary Dam is a concrete gravity dam on the Columbia River near Hermiston, Oregon, begun in 1947 and dedicated in 1954, with a 980-megawatt powerhouse and a navigation lock.
McNulty Gas Field
McNulty Gas Field is a producing coal seam gas field in the Surat Basin of Queensland, Australia, developed under the Queensland Curtis LNG project and operated by QGC, a Shell-affiliated entity.
MCV LNG Terminal
The MCV LNG Terminal is Myanmar's first liquefied natural gas import terminal, built by CNTIC VPower at Thilawa Port near Yangon, started in 2020 and supplying 500 MW of LNG-fired power plants.
Meandu Coal Mine
Meandu Coal Mine is an open-cut thermal coal mine near Kingaroy in Queensland, Australia, supplying the adjacent Tarong and Tarong North power stations since 1984.
Measurement and verification
Measurement and verification (M&V) quantifies the energy, water, and cost savings from efficiency improvements by comparing post-installation use against a baseline adjusted for weather and occupancy.
Measurement while drilling
Measurement while drilling (MWD) is a drilling technique that transmits downhole measurements, principally wellbore inclination and azimuth, to the surface in real time, typically by mud-pulse telemetry.