As well as Elon Musk remarking that the company may have had its “best ever quarter” for solar since the SolarCity takeover, Tesla’s energy storage deployments have enjoyed a ramp up, while a fellow exec hinted the stationary battery business is constrained by cell supply.

Tesla reported another major decline in its residential solar installations for the fourth quarter of 2017, while a supply shortage for its residential energy storage system ‘Powerwall 2’ has created a customer backlog of solar and storage installs of more than one year.

Sunrun CEO Lynn Jurich has said that using behind-the-meter systems to provide grid services could be “extremely valuable in certain targeted ways” as the company rolls out energy storage systems into key regional markets.

Good Energy, one of the first utilities in Britain to offer all-renewable energy for consumers, has said it aims to start work on its maiden commercial energy storage development in November this year.

Pierre-Pascal Urbon, CEO of solar inverter manufacturer SMA, has said that the company is anticipating medium-term “exponential growth” in the energy storage market, reporting a “positive performance” in storage-related sales.

Founder and CEO Paul Nahi last night announced his resignation from Enphase, the PV microinverter maker and energy management specialist, which also makes its own AC Battery for energy storage.

Leclanché has hailed recent project wins and a potential 450MW pipeline in reporting an improvement on its finances, which the company’s CFO has called “the first stage of our journey towards EBITDA breakeven”.

Electric car maker turned ‘integrated sustainable energy company’ Tesla installed 98MWh of energy storage in the final quarter of 2016, according to its financial results released last week.

Swiss battery manufacturer Leclanché has reported an increase in revenues for 2016 of 56% compared to the previous year, netting unaudited preliminary revenue of CHF28 million (US$27.66 million) for the calendar year.

Canada-headquartered lithium-ion battery manufacturer Electrovaya increased its revenues year-on-year in the financial year which finished at the end of September, but the company also reported increased losses.