Renewables are often questioned for their reliability, but I think it's important to recognize that fossil fuels are not perfectly consistent either. The blackouts in Texas are mostly from the cold interfering with gas and coal electricity production.
https://www.spglobal.com/platts/en/market-insights/latest-news/electric-power/021621-brutal-cold-forces-generation-outages-across-us-especially-ercot-miso-spp?utm_source=energy+news+network+daily+email+digests&utm_campaign=e0209fb88c-email_campaign_2020_05_11_11_46_copy_01&utm_medium=email&utm_term=0_724b1f01f5-e0209fb88c-89296944

"'Total wind output is slightly below expectations, but the main supply issue is lack of available thermal generation (both gas and coal) due to freezing conditions' in Texas, said ICF International Inc., a consulting firm." (From article above)

"ERCOT's senior director of system operations, told reporters yesterday that a majority of the generators that went offline during the night before the controlled outages or yesterday morning were "thermal" units that were fueled by gas, coal or nuclear." https://www.eenews.net/stories/1063725161

Investing in battery storage and modernizing the grid are universally necessary to ensure reliable access to electricity. What else are the recent black outs highlighting for you?

Hope everyone is staying safe in the cold