What happened to the Texas electrical grid?

After record low temperatures hit Texas in February millions were left without power. What happened that caused this catastrophic failure of Texas' electric grid? Find out in this episode of GeoNews brought to you by UT Dallas' Geoscience Studios. Review of February 2021 Extreme Cold Weather Event – ERCOT Presentation http://www.ercot.com/content/wcm/key_...​ 6 page summary of the Texas electricity disaster https://docs.google.com/document/d/1w...​ Host Ali Sealander Writer R.J. Stern Video Editor Zachary Clowdus IMAGES Highway - Juan Figueroa / The Dallas Morning News (Background) Ice – Aleksandr Slobodianyk / Pexels (Background) Texture – Scott Webb / Pexels (Background) Frozen utility structure - May-Ying Lam / The Texas Tribune FIGURES Power outage map – Credit: Chris Essig, The Texas Tribune, and Ren Larson, The Texas Tribune/ProPublica Modified figure – ERCOT presentation slide (February 2021) Electricity generation by energy source – U.S. Energy Information Administration FOOTAGE Windmill – Pexels.com SOUND Music: Wehrmut by Godmode Freezing Ice – kyles / freesound.org High Pitched TV Frequency – deleted_user_7146007 / freesound.org REFERENCES Energy Reliability Council of Texas (ERCOT)