Tesla is trying to make owning an electric car a bit more like signing up to an entire energy ecosystem, with a new UK deal that bundles together solar panels and its latest Powerwall 3 home battery system for £199 a month. And with a Tesla Model 3 available from just £295 a month , Tesla will bundle the renewable energy package with a car for £494 a month. The new renewable energy offer is currently aimed exclusively at Tesla car owners and includes an eight-panel solar installation plus a Powerwall 3 battery, all fitted and installed with fixed costs and zero per cent finance over four years. Customers will need to put down a £1,747 deposit, but Tesla says the package is designed to make renewable energy more affordable for households already driving electric cars .…