A pair of energy companies in Georgia and Tennessee have announced an agreement to significantly expand their solar energy portfolio in Georgia. The deal was announced by Green Power EMC, the renewable energy supplier for 38 Georgia Electric Membership Corporations (EMCs), and Nashville-based solar energy provider Silicon Ranch Corp. As part of the agreement, Green Power EMC and Silicon Ranch will bring an additional 194 megawatts of solar energy online by 2021. The new solar capacity will comprise…