World's largest solar panel manufacturer could now become the world's biggest purchaser
New feed-in tariff rates make bid to expand solar arrays on works sites "uneconomic"
Solar farm feed-in tariffs fall 70 per cent from today as around 20 projects beat controversial deadline
Retailer boosts wind portfolio to 127MW and installs 39,000 solar panels as it bids to use 100 per cent renewable energy
Car manufacturer aims to reach 60MW capacity by 2015 by installing solar arrays and solar-powered charge points for electric cars
But consultation will give developers until October to extend existing solar farms
National network of recharging points along UK's motorways could power zero emissions journeys from Exeter to Edinburgh
Council admits it was wrong to demand owners apply for building regulation clearance before fitting solar panels
DECC 'taking action shortly' on loophole allowing extended solar farms to receive original feed-in tariff after August deadline