The big picture: US electric power sources in 2019 versus Texas sources of electricity in 2020

UNITED  STATES:

According to the US Energy 

Information Agency (EIA), 

in 2019:

 

coal and natural gas 

generated 61% 

of US electricity, 

nuclear 20%, 

wind 7.3%, 

hydro 6.6%, 

solar 1.8%, 

biomass 1.4%, and 

petroleum 1%. 

TEXAS:

The grid operator 

for 90% of Texas is ERCOT. 

In 2020 its generation by fuel was:

Gas-Combined Cycle 40%, 

Wind 23%, 

Coal 18%, 

Nuclear 11%, 

Gas 6%, 

Solar 2%. 

The months for greatest generation was July and August, and the greatest wind generation was December.