Wow. I didn't even know that hydroelectric plants could explode, killing people.

[Kilgore]

5. Not surprising after reading the entire article

When a facility is operated with no regard to its limits...from the article,

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The logs show that on August 17, 2009, at 8:13 a.m., ARPJC had set Unit 2 output power in the “not recommended” zone in order to meet grid demands, and the plant operations staff did not object. This was the final decision—following a long history of ignoring operating and maintenance deficiencies and obvious fatigue cracks in the turbine mounting structure—that caused the almost complete destruction of the SSH.
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And you ignore maintenance issues plus dont even install all the parts...from the article,

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A number of forensic investigations where carried out following the incident. Turbine foundation bolts were subjected to thorough examination. The bolts found were broken, and fatigue damage covered an average of 65% of a bolt’s cross-sectional area. Some of the bolts had no traces of nut breaking, meaning that nuts had not even been installed on the bolts.
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Its not surprising that catastrophes happen and lives were lost.