The successful bidder is Xiamen Kehua Digital Energy Technology Co. 199996 million yuan, equivalent to a unit price of 0. Find government bids and contracts from over 110,000 government agencies, including US federal, state, cities . These benchmarks help measure progress toward goals for reducing solar electricity costs and guide SETO research and development programs. Read more to find out how these cost benchmarks are modeled and download the data and cost modeling program below. The energy storage sector witnessed a. As of 2025, prices range from $0. 86 per watt-hour (Wh) for utility-scale projects, while residential systems hover around $1,000–$1,500 per kWh. But wait—why the wild variation? Let's dive deeper. NLR analyzes the total costs associated with installing photovoltaic (PV) systems for residential rooftop, commercial rooftop, and utility-scale ground-mount systems.