(Legally the G&IER would form part of the GDLR, although there was no physical connection between them). They had developed a major power generating plant at the Docks, which used electricity extensively for crane and lock operation.
(Legalistically, the G&IER would be included in the GDLR framework, even though there was no physical link). They had built a substantial power-generating station at the Docks, which extensively used electricity for crane and lock operations.