In 2025, average turnkey container prices range around USD 200 to USD 400 per kWh depending on capacity, components, and location of deployment. But this range hides much nuance—anything from battery chemistry to cooling systems to permits and integration.
[pdf] The document requires that the construction of photovoltaic power generation systems on buildings should comply with the relevant provisions of the current national standards "General Specifications for Building Energy Saving and Renewable Energy Utilization" GB55015 and "General Specifications for the Appraisal and Reinforcement of Existing Buildings" GB55021.
[pdf] 
