Solar-plus-storage projects are proliferating across the globe and necessitate a choice between DC and AC coupling. In this piece we look at the differences and pros and cons of each.
The transition to new energy technologies, including grid-scale and vehicle batteries, can help fossil-fuel-dependent countries improve their energy security.
The situation and uncertainty around grid connections and grid fees in Germany is evolving, possibly enabling market participants to look beyond the August 2029 grid fee exemption cut-off date – although uncertainty is still very high.
EDF Power Solutions has commissioned a 50MW/120MWh BESS project in Poland, Eurus has done the same in Hungary, while NGEN and Aretis Group have financed and enlisted optimisers (respectively) for projects in Hungary, Romania, Poland, Slovenia and Latvia.
Invinity Energy Systems has been enlisted to design and deliver the world’s largest flow battery, for a data centre project in Switzerland currently under construction by Flexbase.
China-headquartered battery storage system integrator HyperStrong and German power electronics manufacturer SMA Solar have signed a strategic cooperation agreement.
Hungary is entering a new phase of its energy transition, opening up new opportunities for energy storage investment. But bankability is still a challenge, so equity investment is needed, writes lawyer Daniel Orosz.
Lenders are increasingly willing to back large-scale BESS projects in Germany that don’t have any contracted revenues, although that merchant risk is priced in to structures, an executive at Aquila Clean Energy EMEA said.
Large-scale BESS projects have been progressed in Italy, Romania, Germany, Poland, Denmark and elsewhere in Europe, totalling around 1GW under construction, 1GWh soon to be, and another 1GWh at earlier stages.
