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gird-level demand

PJM

Four Shades of Electrical Demand – A Riveting Cliffhanger

By Energy Rant One Comment
Last week I related electrical demand in kW with electrical energy in kWh. Energy is the area (power times time) under the kW curve. Without cheating, I’ll do an example. Elementary Calculus In energy-nerd world, a curve is a line of any form, including a straight line. Consider the simple ax + b curve on the right, where a is the slope and b is the y-intercept.  The equation is y = 2x +4. C’mon you had this in elementary school. Challenge yourself!If I want the energy consumed from hour two to hour ten, I simply take the integral of…
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