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Chicago may be the largest city in the U.S. to commit to 100% renewable energy and has set a 2035 target date. The famous city’s long association with nuclear power says a lot about the future of clean energy Statesside.

The capital city of pollution-blighted Zhejiang province has announced an ambitious clean air policy in the wake of Beijing’s call for local governments, big lenders and power companies to pull out the stops to restart the solar revolution.

The Energy Storage Europe conference and trade show is nearing and pv magazine is featuring the top ten developments in the field as our Energy Storage Highlights, selected by an independent jury of experts. We kick off with Proton Motor’s contribution to a Swiss project that enables apartment tenants to live without a gas or electricity grid connection.

With its feed-in tariff set to expire at the end of June, Vietnam is considering different levels of payment, classified across three irradiation regions and involving four solar technologies. Future payments would range from $0.0659-0.0985/kWh, with the cloudy north in line for the highest tariffs and with the government likely to revise tariffs for new projects every two years.

The CommUNITY project is being realized outside the U.K. regulatory framework, which does not permit power trading between electricity customers.

The system is said to have a maximum estimation error of less than 10% and to reduce the computational requirements for calculating the output of PV systems in complex environments. The approach is based on the correlation between a skyline profile and the annual irradiation received at a particular spot.

The state government has unveiled its new solar energy policy. The ambition would encompass projects, programs and installations relating to solar PV and thermal energy, and is aimed at utilities as well as energy consumers.

The Department for Transport has announced funding for research projects which could help decarbonize Britain’s railways and generate power from roads and footpaths. Previously explored with limited success, it is hoped the research will push the frontiers of the field and give a fresh impetus to Britain’s ailing solar sector.

The Spanish government has proposed a Royal Decree with new self-consumption regulation which is expected to be approved in March or April. According to the new rules, power surpluses may be shared with other consumers or fed to the grid.

A conference in London explored the next steps for renewables in the U.K. There was widespread agreement solar has been left in the cold by a government unwilling to alter the current market dynamics.