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Haley Zaremba

Haley Zaremba

Haley Zaremba is a writer and journalist based in Mexico City. She has extensive experience writing and editing environmental features, travel pieces, local news in the…

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Can Texas Replace Coal With Wind And Solar Power?

  • Despite the global push to reduce dependence on fossil fuels, coal remains a key part of America’s energy mix.
  • A new study suggests that Texas could replace nearly 100% of its coal output with wind and solar energy.
  • With proper infrastructure investment, renewables could not only help the Lone Star State kick coal, but it could also help stablize its battered power grid.

Coal has maintained a surprising degree of political power in the United States, even as the economic sway of the sector wanes and the dirty fossil fuel increasingly falls out of favor with the global community under the mounting pressure of climate change. Last year, at the COP26 climate summit in Scotland, the United States was conspicuously absent from a consortium of 40 countries pledging to end coal, a decision which seems to be directly related to the country’s still powerful coal lobby.

While the White House is unwilling or politically unable to put an end to coal through policy, it seems that economic forces may do the job for them. As the technology for renewable energies including wind and solar has advanced and economies of scale have kicked into gear, the rapidly dropping prices of clean energy have allowed renewables to undercut coal prices in most of the world. A 2021 report from the International Renewable Energy Agency (Irena) “found that in the US renewable energy could undercut between three-quarters and 91% of existing coal-fired power plants, while in India renewable energy would be cheaper than between 87% and 91% of new coal plants,” according to reporting from the Guardian. 

Indeed, according to the most recent Annual Coal Report from the United States Energy Information Administration (EIA), coal continued its seemingly terminal decline in 2020, having peaked way back in 2007. The United States, however is no exception to the current global spike in coal usage as supply chain issues, pandemic-fuelled economic woes, and the Russian war in Ukraine continue to rock energy markets and imperil energy security worldwide. Thanks to this confluence of unfortunate events, in 2021 the United States saw the biggest increase in coal usage in more than a decade. 

The EIA expects this uptick to be temporary, however. And even with the dramatic 17% increase in coal-powered electricity generation last year, coal consumption is still 6% lower than pre-pandemic levels. What’s more, “Unlike fossil fuels, renewable energy continued to increase throughout the pandemic, and renewable energy generation (shown here as hydro, wind, solar, biomass, and geothermal combined) has increased steadily every year since 2013,” reports Yale Climate Connections. “EIA projections show renewables catching up to coal this year, then surpassing coal in 2023.”

How likely is a scenario in which renewables overtake coal in the United States, and where will all of that renewable energy come from? It could be coming sooner than you think. According to new research from Rice University, the fossil fuel bastion state of Texas could replace nearly 100% of its coal output with wind and solar, “as the state has unique climates that can work at complementary times to power its entire electric grid.” This transition is not only possible and ideal for the climate, but would also be economically beneficial for the Lone Star State with the increasingly cheap costs of renewables. 

The size and climate of Texas make this plan especially feasible and particularly appealing, according to the scientific paper entitled “Can wind and solar replace coal in Texas?” As stated by the paper’s authors: “Simply put, it’s not always windy and not always sunny, but it’s almost always windy or sunny somewhere in Texas.” Strategically spread out wind and solar power could allow Texas to increase the reliability and constancy of renewable energy flow to the grid, but reaching this point will require considerable infrastructure improvements including smarter grids and expanding transmission lines to bring the energy to urban areas. 

With proper investing and infrastructure, an increase of installed solar and wind capacity in Texas would not only grant the state greater energy security and reliability, as well as cheaper and cleaner energy sources, it may also push the state to connect its infamously isolated grid to the national network in order to capitalize on surplus wind and solar power, which could be sold to other states at a profit – not to mention mitigate the risk of another fatal blackout like the 2021 deep freeze.

By Haley Zaremba for Oilprice.com

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Leave a comment
  • John Paul de Oliveira on April 02 2022 said:
    Biomass being considered a renewable is technically correct. It is arguably much, much worse for the environment than coal.

    The information that was presented on Oilprice.com showed that the failure of solar and wind at the exact time it was needed was about 50% of the energy deficiency in the 2021 Texas Power outage. Frozen gas lines caused the other 50%.

    Deregulated utilities with a lower base capacity and safety margin seem like a bad match for solar/wind renewables. Texas relatively high amounts of renewables was a significant part of the outage catastrophe. A perfect warning, for any to see, of the major limitations of renewables.

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