Here's a rough estimate of what a 5kVA solar system could potentially power: A 5kVA solar system can power a significant number of LED lights and compact fluorescent lamps (CFLs) for many hours. Small appliances like fans, radios, TVs, laptops, and phone chargers.
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Recent pricing trends show 20ft containers  (1-2MWh) starting at $350,000 and 40ft containers (3-6MWh) from $650,000, with volume discounts available for large orders. Take Kruhobran, a mid-sized bakery that slashed energy bills by 62% after installing 30kW solar + 40kWh.
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PVMars lists the costs of 1mwh-3mwh energy storage system (ESS) with solar here (lithium battery design). The price unit is each watt/hour, total price is calculated as: 0. 2 US$ * 2000,000 Wh = 400,000 US$.
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The cost of a 1 MW battery storage system is influenced by a variety of factors, including battery technology, system size, and installation costs. While it's difficult to provide an exact price, industry estimates suggest a range of $300 to $600 per kWh.
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