type independent non profit corporation established under the electricity restructuring act ontario industry electricity generation fate merged into ieso founded 2004 2004 defunct january 1 2015 2015 01 01 headquarters toronto ontario canada key people colin andersen chief executive officer james d. hinds director and board chair products electricity conservation transmission procurement number of employees 200 250 website opa the ontario power authority opa was an independent non profit corporation established through the electricity restructuring act 2004 bill 100 . licensed by the ontario energy board it reported to the ontario legislature through the ministry of energy . the opa was responsible for assessing the long term adequacy of electricity resources on ontario forecasting future demand and the potential for conservation and renewable energy preparing an integrated system plan for conservation generation transmission procuring new supply transmission and demand management either by competition or by contract when necessary achieving the targets set by government for conservation and renewable energy . in april 2012 the energy minister of ontario christopher bentley introduced legislation in parliament to merge the ontario power authority and the independent electricity system operator . ontario power authority merged with ieso on january 1 2015 . 1 see also edit ontario hydro independent electricity system operator references edit http www.ieso.ca pages media release.aspx releaseid 6946 external links edit official website ontario ministry of energy independent electricity system operator ontario electricity financial corporation ontario energy board ontario power generation v t e government of ontario departments and agencies ministries advanced education and skills development agriculture food and rural affairs attorney general cabinet office children and youth services citizenship immigration and international trade community and social services community safety and correctional services solicitor general of ontario economic development and growth education energy environment and climate change finance government and consumer services health and long term care indigenous relations and reconciliation infrastructure intergovernmental affairs labour municipal affairs and housing natural resources and forestry northern development and mines research innovation and science tourism culture and sport transportation boards commissions and officers alcohol and gaming commission auditor general chief electoral officer civilian police commission energy board environmental commissioner fairness commissioner film review board human rights commission information and privacy commissioner integrity commissioner landlord and tenant board liquor control board mining and lands commissioner municipal board niagara escarpment commission niagara parks commission ombudsman securities commission st. lawrence parks commission workplace safety & insurance board agencies agricorp cancer care clean water conservation ehealth elections independent electricity system operator heritage trust hydro one lottery and gaming corporation metrolinx municipal property assessment corporation northland transportation ornge parks power generation real estate council royal ontario museum science centre science north trillium foundation provincial services archives crown attorney forensic sciences provincial police serviceontario special investigations unit other executive council arts council francophone affairs parliament network seniors secretariat tfo tvo women s directorate list of defunct ontario ministries and agencies management board secretariat ontario agent general retrieved from https en.wikipedia.org w index.php title ontario power authority & oldid 674564610 categories ontario electricity policyontario hydroontario government departments and agenciespower companies of canada 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 4 august 2015 at 19 13 . text is available under the creative commons attribution sharealike license ; additional terms may apply . by using this site you agree to the terms of use and privacy policy . wikipedia is a registered trademark of the wikimedia foundation inc. a non profit organization . privacy policy about wikipedia disclaimers contact wikipedia developers cookie statement mobile view