Our usual small solar water reserve is 300 liters. Your estimate is 30*1000/300=100, which means the amount of water you need is 100 times that of our usual solar energy. Heating is calculated over 3 hours. One solar power can heat 3. It turns out you need at least 30 solar heating units. Calculate it yourself, then talk to the supplier to see if it's feasible.
Water supply and heating for solar water heater
Introduction The water supply volume and heat input of the solar water heater. Our usual small solar water reserve is 300 liters. Your estimate is 30*1000/300=100, which means you must provide