My question regarding this announcement is what "operational" means.
What was the full purpose of this huge array? Is it achieving that full
output? Is it just for show/entertainment, or does it have a practical
purpose? [answer below]
The Russians built a giant “Tesla Tower” during the cold war.
They now have reactivated the program, renovated the equipment, and
fired up the facility for operational use.
The towers stand 57meters high (187 feet). The public tests show
almost 200 foot long lightning bolts generated.
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FOLLOW-UP
According to this report by RT, the array could power two cities the
size of Moscow, but that is not its purpose. It was built to test the
effect of lighting on various apparatus, such as planes, to make sure
they are ready to meet lightning in the real world.
Thunder and lightning: For centuries mankind's been amazed as
well as terrified at the threatening beauty of nature's fury. But
these days it's actually been domesticated, and now we can even
throw a thunderbolt at the push of a button, as Ilya Petrenko
reports. (YouTube
/ RT; August 24, 2014)