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During the energy crisis of 2022 I started looking at solar as my electricity bill was just under £500 per month 9 inclusive of charging an electric car with a 17kw battery) . I researched many options but decided on diy. I met with great resistance from my local council who directed me to the national grid for my planned install. The short version - these inverters do not require G98 or G99, or MCS approval as they are not able to feed back to the grid. Working in industry and being responsible for some very large lead acid battery charging installations, I designed a system to charge and store cheap electricity overnight using lead acid batteries, and with a duty and standby system. This system has run 24/7 since January 2023, I have not as yet installed solar panels as charging batteries for £0.07 per Kw for 45kw power day usage equates to approximately £95 per month.if you do the sums the install cost me just over £5k (that includes 4off 24v 610amp lead aci batteries which I obtained for a good price) the payback was in little over 13 months- it puts a smile on my face every day when I go out to work. The inverters used are the Voltacon 11kW units mounted in parallel to give 22kw capacity for high loads. They will also default to duty and standby should one fail, the inverters are well built, have a good user defined range of options and the ability to select multiple sources. The support from Voltacon has been excellent and Steve is very knowledgeable on this subject
