In the 1990’s I worked at TransAlta supporting their Sundance, Keephills and Wabamun coal plants that powered Alberta’s electricity needs. Back then there was talk of changing to Natural Gas for base power but not much action.
In 1995 I started working for an oil and gas exploration firm and on my first day the CEO told me that Natural Gas had been in the sub $3 range so long it just had to go up in the next couple of years. It seemed that while Natural gas was so much easier to work with (just drill it and pipe it, and it never talked about going on strike) that this fear of future price increases caused electricity producers to not get too serious about gas.
Fast forward 25 years and we see:
Beyond Nat Gas, the cost for solar has dropped dropped 90% and the cost for wind power has dropped 50% in the last 25 years.
Put all of this together and you have an energy revolution in Western Canada.
Click this map to see the Alberta’s electricity generating sites as of 2017.
In 2001 Calgary used 100% coal sourced electric but today it is 0%
UPDATE: On September 12th 2018, Mayor Don Ivison told Bloomberg that Edmonton is planning to be at 100% renewable energy “within the next few years”.
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Wow. I thought most of Alberta got it power from coal or burning oil. Wrong again. Thanks for clearing that up.