Fig. 6: Monthly price duration curve, electricity market revenues, and variable operating costs using a price forecast published prior to shelter-in-place orders, and actual prices.
From: No COVID-19 climate silver lining in the US power sector

Electricity market profits (blue area) and total variable operating costs (yellow area) are shown for "Rockport ST1'', a coal-fired generation unit in the American Electric Power (AEP) Zone in the Pennsylvania−New Jersey−Maryland (PJM) interconnection electricity market, in the month of June 2020, using a price forecast published prior to shelter-in-place orders (panel a) and actual prices (panel b).