One analyst has predicted that 12,500 residential PV storage systems could be installed in Germany in 2015, more than the total number of systems installed with support from a government scheme in its first two years.

Tesla’s grand entrance to the stationary storage market has been (largely) welcomed but question marks remain over the company’s business model. Andy Colthorpe gauges the latest reaction and explores the options facing Elon Musk.

Tesla reported losses of around US$0.36 per share in its quarterly earnings announcement yesterday, despite a flurry of activity around its stationary storage launch last week – yet the company still outperformed the expectations of the investment community.

Ecotricity, a UK-based supplier of renewable and clean energy, will trial a home energy storage box later this year.

More details have emerged on inverters for Tesla’s new home battery system, to be made by Fronius and SolarEdge, while the EV-maker’s energy storage will be installed at demonstration and commercial projects for US utility Edison International.

Tesla’s Powerwall home energy storage system will join the US market at a “remarkably low price”, according to one analyst PV Tech has spoken to following the announcement from Silicon Valley last night.

Prices for Tesla’s stationary storage systems for homes, businesses and off-grid communities, to be packaged and sold in partnership with SolarCity, will begin at US$3,000, thought to be as little as a third of the price of comparable products previously available on the market.

Tesla is set to make an announcement on stationary storage battery systems that has kept the tech world watching with bated breath. The event takes place tonight at 8pm Pacific Time / 4am Greenwich Mean Time / 5am Central European Time.

The hotly anticipated announcement tomorrow of two products in the Tesla’s stationary storage range, teased and trailed by a series of cryptic and not-so-cryptic tweets and interview snippets, has led to mainstream media taking an interest in the stationary storage sector and what it could offer like no other news we’ve heard to date. And there hasn’t even been any actual news yet. Andy Colthorpe spoke to energy storage expert Cosmin Laslau at Lux Research, about what to expect.

Following February’s Guest Blog which looked at factors- barriers, boundaries and benefits- that can influence its widespread adoption, SMA’s Aleksandra-Sasa Bukvic-Schaefer and Volker Wachenfeld focus on the discussions behind designing and implementing home solar-plus-storage.