Octopus Energy has sent shockwaves through the UK renewables industry. The company has announced that it will accept solar installations onto its Smart Export Guarantee tariffs without MCS accreditation. This represents a significant development for electricians and homeowners, as they can now sell their excess energy back to the grid at a very competitive rate. To shed more light on this topic, we turned to Griff Thomas, one of Britain's leading renewables experts. Griff explains what the MCS s