The start of the year was marked by a series­ of outages at the country’s huge ­national wind bases, leading to new guidelines that require an overhaul of ­turbine technology to include low-voltage ride-through capability, which ­allows machines to keep functioning ­during power fluctuations.

With closer scrutiny of the sector’s rapid growth, regulators then decided to switch responsibility for approval of wind farms from regional authorities to the central government, slowing the development of new projects.

This