As our energy system increasingly switches from fossil fuels to clean power, we will need both more renewable energy supply and greater integration of our power grids. (canadianbusiness.com)
He added that storage solutions would need to become readily available as back - up for a completely renewable energy supply. (eco-business.com)
In many cases, the groups involved accept money from oil, gas and coal companies that compete against renewable energy suppliers. (washingtonpost.com)