A virtual-oscillator-based control strategy for microgrids

Researchers have modeled how the combination of a virtual oscillator control mechanism and a cascaded sliding mode control can help regulate voltage and frequency in a distributed-solar microgrid.

Fraunhofer to develop battery inverter for whole-area UPS and renewables integration

Industrial and academic partners are developing a battery inverter which can be grid connected under normal operation but can also use nearby renewables generators to form an island grid, for whole-area uninterrupted power supply.

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Another bumper year sees green bonds push through $1tn mark

Sustainability-linked debt financing is experiencing ever increasing popularity and the success of green bonds has driven other products linked to social performance and other sustainability criteria. The total volume of such investments to date passed the $2 trillion point this year.

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Chinese PV industry headed toward grid parity

Project delays and price changes due to fluctuating demand are disrupting the Chinese solar market. Researchers who have analysed the situation claim that the nation’s PV industry will be back on track toward grid parity by the end of the year.

“Capacity deferral is the primary source of storage value”

Big batteries derive most their value from replacing gas peaker plants and averting the installation of excessive amounts of transmission and generation infrastructure. However, batteries cannot replace all gas plants, MIT researchers found. From a holistic economics perspective, there is a certain share of storage that is considered cost-efficient. With battery costs declining, that share is constantly increasing.

Battery manufacturing capacity set to increase fourfold to 1.3 TWh by 2030

Analysts at Wood Mackenzie have looked at plans for the incoming decade and concluded that about 119 manufacturing sites will be up and running by 2030. China currently sits firmly in the driving seat, with Asia Pacific comprising 80% of global manufacturing capacity, but Europe is catching up.

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Green hydrogen to reach price parity with grey hydrogen in 2030

IHS Markit’s latest report looks at a wave of new investments in large-scale projects. Economies of scale and technological improvements, as well as renewables deployment, could make green hydrogen price-competitive with grey and blue hydrogen.

Long read: Shadow boxing

The amount of non-uniform shading an array will experience determines the technology choices that can be made. However, it can be complicated to formulate more general rules for when to use what type of technology. Most would agree that module-level power electronics are better at handling non-uniform shading, but how do they handle the sun? A recently promoted study brought the discussion into sharp relief.

Affordable hydrogen-fueled flight possible in 2035

Hydrogen-fueled aviation has a realistic chance of helping the sector achieve climate goals, according to a European Union-commissioned study.

Leaked: EU hydrogen strategy eyes €140 billion turnover by 2030

The European Commission has sent the European Green Deal on its way and a preliminary version of its anticipated hydrogen strategy has been leaked. The plan does not lack ambition, as the EU seeks to assert tech leadership in green hydrogen through coordinated efforts across the value chain.

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