system operator industry electricity headquarters calgary alberta canada key people david erickson president & ceo 1 website www.aeso.ca the alberta electric system operator aeso is a not for profit entity responsible for the planning 2 and operation of the alberta interconnected electric system aies in a safe reliable and economical 3 manner . it is mandated by provincial legislation to act in the public interest and can not own any transmission distribution or generation assets . the key duties and responsibilities of the aeso are dictated by the province of alberta s electric utilities act eua and the transmission regulation t reg and include without limitation the following determine the future requirements of the aies develop transmission plans over near term medium term and long term planning horizons that identify transmission system enhancements needed to meet those requirements and make arrangements to implement those enhancements as necessary . prepare and maintain a transmission system that anticipates for at least 20 years forward system conditions and requirements . the system must be planned to accommodate future growth which requires the aeso to take a long term view while adjusting for short term changes and focusing on system requirements that meet the long term vision for electrical infrastructure . ensure the safe reliable and economic operation of the aies . operate the power pool and facilitate the electricity market in a manner that is fair efficient and openly competitive . provide transmission access service consistent with an approved transmission tariff . manage and recover the costs associated with line losses and ancillary services . conduct a fair and open competitive process to determine the successful proponent who will develop design build finance own operate and maintain identified major transmission infrastructure in alberta . the aeso operates a market for the exchange of electric energy in alberta and attempts to uphold the principles of market fairness openness and efficiency . to this end the aeso contracts with transmission facility owners to provide generators access to the electric grid . 3 one of aeso s responsibilities is to manage system load in the case where shortfalls in supply or excessive demand for electricity threaten the integrity of the power grid . in this case aeso can direct power companies to shed load temporarily through measures such as rolling blackouts . in july 2012 six power generators were shutdown during a major heat wave that resulted in high demand on the power grid edmonton calgary red deer and lethbridge were hit by rolling blackouts . 4 aeso directed utilities to reduce their demand by aeso . aeso s doug simpson explained that this had not happened since 2006 . 4 according to their homepage aeso operates independently of any industry affiliations and owns no transmission or market assets . 3 contents 1 history 2 expanding wind farms 3 high cost of electricity in alberta 4 see also 5 citations 6 references 7 external links history edit alberta electricity policy changed in 1996 with the province restructuring its electricity market away from traditional regulation to a market based system . the market now includes a host of buyers and sellers and an increasingly diverse infrastructure . expanding wind farms edit in 2006 alberta electric system operator explained the limitations of dependence on wind power . aeso at that time could not rely on any more than 900 megawatts of wind less than eight per cent of the province s total power generation because wind doesn t blow consistently . when it drops off coal and natural gas plants have to take up the slack to avoid power shortages . at that time alberta didn t have enough transmission lines to connect new wind turbines to its power grid . 5 high cost of electricity in alberta edit in april 2013 calgary ranked third with an average monthly payment of 216 6 based on a monthly consumption of 1 000 kwh and edmonton fourth 202 a month in canada compared to other cities in terms of high electricity bills . halifax placed first and worst in canada at 225 6 a month . compared to other cities in north america calgary and edmonton placed seventh and eighth in terms of highest power costs . 7 vancouver bc was among the least expensive 130 a month . 6 the unit price of electricity in calgary in april 2013 was 14.81 cents per kwh compared to 6.87 cents per kwh in montreal 15.45 in halifax . 8 keith provost former senior vice president of alberta power ltd. now atco electric with decades of experience in the electrical utilities business argued that instead of marketing electricity contracts for future deliveries in a regulated market aeso has their own system that is open to manipulation and is not a free market system . according to aeso the pool price is the arithmetic average of the 60 one minute system marginal prices . only those offers accepted generate power and receive the aeso pool price . all offers accepted receive the same price the pool price not the price offered . 9 see also edit alberta electricity policy electric power transmission independent system operator electricity market coal in canada citations edit aeso 2009 . liebrecht 2009 . a b c alberta electric system operator & nd . a b cbc news 2012 . cbc news 2006 . a b c hydro quebec 2013 p. 9 . hydro quebec 2013 . hydro quebec 2013 p. 4 . provost 2013 . references edit about aeso alberta electric system operator nd retrieved 22 december 2013 profile david erickson pdf aeso august 2009 retrieved 22 december 2013 alberta s power lines too full for expanding wind farms cbc news calgary alberta 20 october 2006 retrieved 22 december 2013 liebrecht richard 22 september 2009 residents want west end transmission line buried sun media retrieved 22 december 2013 alberta hit by rolling power blackouts great concern grid would go down calgary mayor says cbc news edmonton alberta 9 july 2012 retrieved 22 december 2013 comparison of electricity prices in major north american cities rates in effect april 1 2013 pdf hydro quebec 2013 retrieved 22 december 2013 provost keith 21 december 2013 opinion unplugging myths about our electricity prices consumers bearing the high costs of a faulty deregulated system edmonton journal edmonton alberta permanent dead link external links edit alberta electric system operator aeso website retrieved from https en.wikipedia.org w index.php title alberta electric system operator & oldid 743079375 categories power companies of canadaelectric power transmission system operators in canadahidden categories all articles with dead external linksarticles with dead external links from october 2016articles with permanently dead external links 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 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