China's largest ultra-deep oil and gas production base, the Tarim oilfield, which is also the main gas source for China's west-to-east gas transmission project, has achieved an annual photovoltaic power generation exceeding 2 billion kilowatt-hours, with daily peak generation. China's largest ultra-deep oil and gas production base, the Tarim oilfield, which is also the main gas source for China's west-to-east gas transmission project, has achieved an annual photovoltaic power generation exceeding 2 billion kilowatt-hours, with daily peak generation. China's Tarim Oilfield's five solar power plants have pushed annual photovoltaic electricity generation beyond 2 billion kilowatt-hours, setting a new milestone for integrated fossil fuel and renewable energy development in China. Photo: Xinhua China's largest ultra-deep oil and gas production base, the. The annual solar power generation at PetroChina Tarim Oilfield, China's third-largest onshore oil and gas field, has surpassed 2 billion kWh as of Sunday. To date, Tarim Oilfield has completed five centralized solar power projects with a total installed capacity of 2. With five large-scale solar stations and 239 distributed projects, the oilfield is advancing green energy integration while supporting ecological protection in the. China's Tarim oilfield, one of the country's largest oil and gas producing areas, has generated more than 1. 1 TWh of green electricity so far this year, harnessing solar resources along the Taklamakan desert, state-owned China National Petroleum Corporation (CNPC) said on June 7.