Trailer park thrash?

Gerry Woolf is bemused by the razzamattaz of the Electricity Storage Association's Washington meeting but sees no evidence of ongoing orders.

OK you've got the 40 foot trailers, you've got your electricity storage devices installed, you've got your demo programme cost shared with the US Department of energy, so now, where's the business? All over the USA, the ubiquitous freight containers are filling up with batteries of various chemistries, inverters and control gear in order to demonstrate the validity of electrical energy storage.

This year's 22nd annual meeting of the . . .