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A comment on World Energy Hits a Turning Point: Solar That's Cheaper Than Wind. Parent comment

Re:World Energy Hits a Turning Point: Solar That's Cheaper T... by adwn on Friday December 16, 2016 @12:48AM (#13191337)
Yes, you're both right. My fault – I misunderstood the ARES concept.
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Re:World Energy Hits a Turning Point: Solar That's Cheaper T... by usrusr on Friday December 16, 2016 @10:18AM (#13193801)
All three of you are right: Ares advertises two different concepts, only the one they call "grid storage" uses more ballast than they can fit on their rolling stock.

The one they call "ancillary services", intended only for short term grid regulation/stabilisation", uses fixed ballast that is never removed from the trains during regular operation. This is what the first prototype will be.

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Re:World Energy Hits a Turning Point: Solar That's Cheaper T... by stuckagain on Friday December 16, 2016 @12:19PM (#13194854)
Everybody wins!
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