There are numerous examples of water storage tanks being built into home interiors to form a thermal solar energy storage battery. I have also stumbled upon a few interesting examples on DIY solar for.
[pdf] The average expenditure on energy storage cabinets can vary greatly depending on certain parameters. Typically, prices range from $1,000 to over $10,000, reflecting factors such as capacity and technology.
[pdf] A cabinet that matches your system's needs will perform better. Always check the manufacturer's instructions to pick the right one. Note: A compatible cabinet makes setup easier and improves system performance. Keeping your energy system safe from theft is important.
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