Homeowner Blog

zappi: The Intelligent EV Charger Optimising the Use of Excess Solar

Erica Charles 11 Oct 2017

Many of our customers have installed an iBoost or Immersun or similar to divert excess solar PV into their hot water tank.

If you have an electric vehicle (EV), it makes sense to divert excess electricity into the EV battery.  In fact if your hot water is heated by gas, oil or biomass, it makes more sense to charge the car than it does to charge the hot water tank.

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Topics: eddi, EV charging, solar self consumption, zappi

£5000 Giveaway from the Carbon Trust for SMEs and State Schools

Erica Charles 27 Sep 2017

Did you know that the Green Business Fund will provide a non-refundable capital contribution of 15% of project costs, up to £5,000 towards the cost of energy efficiency measures such as LED lighting upgrades and solar PV? 

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Topics: Carbon Trust Loans, SMEs, Energy Efficiency Finance, Salix Finance

What do you mean our batteries don't work in a power cut? (said my husband)

Erica Charles 22 Sep 2017


Last summer I installed a 14kWh battery system alongside my existing 7kWp home solar PV system. All went to plan until one day we had a letter from SSE saying they would be turning off our power one Saturday for 'routine maintenance', or something like that.

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Topics: Solar with battery backup, Solar panel backup

Solar PV Battery Storage: Marks out of 10 for the Powerwall 2

Erica Charles 08 Sep 2017


In the past 12 months, Tesla has generated unprecedented interest in home battery storage, and in particular solar PV battery storage, both in the US and in the UK.

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Topics: Solar PV battery storage, Powerwall2

Now taking orders for EV charge points

ID 13 Jul 2017

Get a generous £500 government grant towards your EV charger installation.

Spirit Solar engineers are now approved to install electric vehicle charge points, and claim the Office of Low Emission Vehicles (OLEV) grant on behalf of our customers.

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