US utilities deployed more than 520MWh of energy storage on their networks in 2017, bringing the country’s cumulative installed capacity of grid-connected energy storage systems to over 1GWh, trade organisation Smart Electric Power Alliance (SEPA) has found.
Utility Xcel Energy’s latest resource plan for Colorado, aimed at increasing renewable energy generation and aiding the retirement of coal plants, was approved by the state’s Public Utilities’ Commission (PUC) on Monday.
Governor of California Jerry Brown, who likened the Trump administration’s environmental stance as a “declaration of war on America”, looks set to commit his state to a “100% renewable energy” policy.
Known historically for its oil and in the present day for deploying large amounts of wind energy and latterly for deploying batteries at wind farms, the US state of Texas is less well known for solar-plus-storage projects.
Following news yesterday of the first grid-scale solar-plus-storage system on the Hawaiian island of Molokai, two more modestly-sized projects show the potential diversity of applications for energy storage in the US state.
Minnesota electric cooperative Connexus Energy has confirmed recent press reports that it is building 15MW / 30MWh of battery energy storage, while another not-for-profit, Vermont Electric Cooperative, will build a 1.9MW / 5.3MWh system in its service area.
In response to Massachusetts Legislature passing a bill raising the state’s renewable energy standard and another encouraging clean energy and energy storage use during peak hours, solar and energy storage trade groups SEIA and ESA offered contrasting views.
Vistra Energy has contracted energy storage integrator FlexGen to install a 10MW / 42MWh energy storage system (ESS) at the 180MW Upton 2 Solar Power Plant in Texas.
The residential energy storage market in the US has just enjoyed one of its biggest growth spurts so far, although action is mostly centred in specific states with supportive policies and conditions.
Solar industry veteran and PV Tech blogger Edgar A. Gunther was told by the New Jersey Governor Phil Murphy’s office that clean energy legislation proposed for the state is “on his desk” but appear to be no closer to receiving his approval.