Tag Archives: Tableau
With the shale revolution, natural gas has become the biggest generating fuel for electricity in the US. This winter's high natural gas usage brought storage levels this winter to their lowest levels since the polar vortex winter of 2014. Since the end of winter, storage levels have increased, b
I discovered a new visualization on Tableau Public recently. It shows historic electricity generation by fuel type for all fifty states from 1990 to 2014. (The website says energy production, but after doing some digging I confirmed it is actually electricity production.) Below is a screenshot
On July 12th NRG announced a plan that included the sale of many assets. These asset sales also created speculation that NRG might consider buying Dynegy. Below is a new viz I created examining the power plants of the two companies. The viz can also be viewed directly on Tableau Public here.
The PJM capacity auction is always a big event. One of the tricky things when analyzing the auction's potential impact on a company is figuring out which locational deliverability area (LDA) a plant is located. I took on the challenge and created a new Tableau viz that shows the LDA for the powe
Page 10 of the June issue of Power Magazine had an interesting map showing the change in coal, gas, and renewable electricity generation by state. (Map can be found here.) I was able to use EIA data to recreate the chart for coal and gas in the lower 48 states. I was also able to add a little i