A typical solar storage system with battery storage should cost between £9,000 to £13,000 to install, however the initial cost can be offset by by the savings on the electricity bill. A 3kw to 6kw solar system annually will generate between 2000 to 5500 kWh, so providing you use or store that power, multiplied by the standard rate electric price of 34p, is between £680 to £1870 of savings per year, or monthly works out at between £56 to £155 a month. If you need or want to use finance to fund your solar installation, then you could take out a plan which matches the monthly savings that the system makes, which means that for electricity and capital repayments combined, you would be paying the same, or less than you are right now for electricity alone.
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