nameplate capacity
n.— «If someone speaks of a 50-MW wind farm, he’s talking about what’s called nameplate capacity meaning the amount of energy it can produce—not the amount it will always generate.» —“Just because it’s ‘green’ doesn’t mean it’s smart” by Andrew Kantor USA Today May 11, 2006. (source: Double-Tongued Dictionary)
Further reading
A Philadelphia, Pennsylvania, listener has been pondering the saying It’s an ill wind that blows nobody good, and specifically whether she uses it correctly. The expression usually appears as It’s an ill wind that blows nobody any good, means that...
A Charlotte, North Carolina, shares her granddaughter’s adorable misunderstanding of a word. When a breeze was blowing, the little girl would say it’s winding (rhyming more or less with “wending” rather than “minding”). This is part of a complete...