electric utility founded dallas texas usa headquarters dallas texas usa products electricity generation electricity distribution mining construction website www.luminant.com luminant is a texas based electric utility . it is a wholly owned subsidiary of energy future holdings corporation . luminant s operations include electricity generation and wholesaling mining construction and development . the company has capacity for the generation of 18 300 megawatts mw of electricity in 20 power plants spread across texas of which 2 300 mw come from nuclear power generated at the company s comanche peak nuclear power plant 5 800 mw from coal fired power plants and the remainder from natural gas fired plants . luminant is also a major purchaser of wind power . 1 luminant also owns and operates three of the five largest coal mines by production in texas the beckville strip the three oaks mine and the oak hill strip . the company extracted over fourteen million short tons of coal from those three mines in 2007 . 2 contents 1 history 1.1 2010 1.2 2013 1.2.1 february 1.2.2 august 1.3 2014 1.3.1 april 2 references history edit luminant was formerly known as txu texas utility . 2010 edit the new 1600mw oak grove power plant which burns lignite coal from the kosse mine went online . 3 2013 edit february edit in february 2013 a waco based federal judge denied a motion filed by luminant seeking dismissal of an air pollution lawsuit brought by the sierra club . the lawsuit involves excess levels of particulate matter at two texas power plants owned by luminant . the suit is based on information filed by luminant with state environmental regulators which revealed thousands of violations of clean air standards . 4 august edit in august 2013 luminant was sued by the environment protection agency over air pollution standards at two texas plants . this enforcement action followed two earlier epa notices of violations at luminant s big brown disambiguation needed and martin lake plants . the suit alleges that luminant made unauthorized changes to the two coal fired plants . 5 6 also in august the dallas county medical society announced that it would petition the texas commission on environmental quality to crack down on luminant and its three texas power plants big brown martin creek lake and monticello the doctor s group wants luminant to lower emissions from the three plants . they say that doing so will lower cases of asthma chronic lung disease heart attacks and premature death contributed to by coal emissions . 7 2014 edit april edit on april 29 2014 energy future holdings luminant s parent company filed for bankruptcy protection under title 11 of the united states bankruptcy code 1 . references edit about luminant . luminant website . luminant . retrieved 2009 04 22 . major u.s. coal mines 2007 . energy information administration of the united states department of energy . september 2008 . retrieved 2009 04 14 . http www.powermag.com luminants oak grove power plant earns powers highest honor pagenum 1 http content.sierraclub.org press releases 2013 02 sierra club allies issue statement court ruling against luminant big brown luminant sued by epa over texas clean air violation claims http www.law360.com articles 465659 luminant hit with epa clean air suit over coal plants http blogs.dallasobserver.com unfairpark 2013 08 dallas doctors ask texas to cl.php this article about a coal related corporation or company is a stub . you can help wikipedia by expanding it . v t e this article about a united states company or corporation involved in the energy industry is a stub . you can help wikipedia by expanding it . v t e retrieved from https en.wikipedia.org w index.php title luminant & oldid 730990175 categories power companies of the united statescoal companies of the united statesnuclear power companies of the united statesmining companies of the united statescoal company stubsunited states energy company stubshidden categories all articles with links needing disambiguationarticles with links needing disambiguation from april 2016all stub articles navigation menu personal tools not logged intalkcontributionscreate accountlog in namespaces article talk variants views read edit view history more search navigation main pagecontentsfeatured contentcurrent eventsrandom articledonate to wikipediawikipedia store interaction helpabout wikipediacommunity portalrecent changescontact page tools what links hererelated changesupload filespecial pagespermanent linkpage informationwikidata itemcite this page print export create a bookdownload as pdfprintable version languages add links this page was last modified on 22 july 2016 at 05 21 . text is available under the creative commons attribution sharealike license ; 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