Time-of-use

Researchers from Australia have created a model to optimize the interaction between vehicle-to-home (V2H) systems and residential PV connected to battery storage. They claim V2H can help reduce the cost of energy by 16.7% for workplace charging and 25% for public charging.

For those who combine solar, batteries, and electric vehicles (EVs) at home, driving on sunshine is a realistic goal. However, there are many factors to consider when analyzing the economic payoffs, as well as the technical possibilities and limitations of such systems.

With AI-enabled devices able to take the money-saving efficiency of lithium batteries to an incredibly granular level, research by Inion Software shows simple changes by inverter manufacturers would enable devices of almost any age to be “smartened up.”

The latest attempt by the California Public Utilities Commission – CPUC, the US state’s regulator – to reform net metering rules, seems to again be solely motivated by the desire to kill off rooftop PV, as energy economist Ahmad Faruqui reported in the latest issue of pv magazine.

A mixture of home-grown fossil fuels, possibly including fracked shale gas; clean power; nuclear; hydrogen; and smarter grids, apparently in that order, will make up the UK’s proposed energy security response in the wake of Russia’s invasion of Ukraine.

Factories suffering from rationed grid electricity could help drive a boom in on-site solar systems, and recent moves to mandate the retrofitting of PV on existing buildings could also lift the market, as analyst Frank Haugwitz explains.

A report published today states the British grid needs to become more flexible at a faster pace to stay on track for a net-zero 2050 and called for time-of-use electricity tariffs and for the government to stop dragging its heels on issues such as EV charging.

A report by BloombergNEF and Schneider Electric has pressed the case for governments to unlock the world’s potentially huge rooftop solar potential, and cited California’s solar mandate as a shining example.

Energy regulator Ofgem has announced it aims to bring in market-wide half-hourly settlement across the retail electricity market – from October 2025. The long timescale reflects a sluggish attitude at an inconsistent regulator which appears to be planning an unpredictable route to net zero.

A mix of solar and wind power can help Antigua and Barbuda to an almost-90% renewable energy system, and green hydrogen could then show the path to hitting the national ambition of 100% green power by 2030, and net zero by 2050.