Senator Martin Heinrich has proposed granting tax relief for purchasers of energy storage systems, in a similar way to how the Investment Tax Credit (ITC) is applied to residential solar PV purchases.

Two Congressional representatives in the US have united across party political lines to form the Advanced Energy Storage Caucus, a group dedicated to educating Members of Congress on the benefits of the nascent technology.

A bill introduced in Congress last week that could apply an energy investment credit for storage systems in the US, has been welcomed by the US Energy Storage Association (ESA).