> The baseload[1] (also base load) is the minimum level of demand on an electrical grid over a span of time, for example, one week. This demand can be met by unvarying power plants,[2] dispatchable generation,[3] or by a collection of smaller intermittent energy sources,[4] depending on which approach has the best mix of low cost, availability and high reliability in any particular market.

> [...]

> According to National Grid plc chief executive officer Steve Holliday and others, baseload is "outdated".[7][6]

https://en.wikipedia.org/wiki/Base_load