China’s Solar Industry Signals Hope Despite More Heavy Losses

A Longi Green Energy Technology Co. plant in Xi'an, Shaanxi Province, China.Photographer: Qilai Shen/Bloomberg

Chinese solar manufacturers are still heavily in the red, but investors are beginning to detect signs of progress in their battle against overcapacity.

Four of the biggest panel makers reported first-half earnings on Friday, racking up a combined net loss of over 13 billion yuan ($1.8 billion) — testament to the ruinous impact of cutthroat competition that in some cases has involved selling below cost.