Centrica-backed GreenCom’s acquisition of a startup founded by German utility Innogy underscores the dynamism of Europe’s home energy market.

The explosion in Arizona comes at a sensitive time for the fledgling storage industry, with a number of U.S. states moving to make storage central to their grid planning.

Concerns about carbon leakage from coal-heavy states are spurring debate in PJM, the wholesale market and grid operator for 65 million Americans.

On this week’s Interchange podcast, we talk with Ramez Naam about the next phase of disruption in energy.

The Northwestern state joins three others in mandating that all of its electricity comes from carbon-free sources by midcentury, as its governor prepares for a run at the presidency.