Grid+ is developing a crypto-currency enabled IoT device that uses the Ethereum blockchain to give consumers direct access to wholesale energy markets. This will decrease costs and greatly improve overall efficiencies in the energy market.
The company has created a GridPlus Agent device, which is a secure general purpose computer that can communicate with the Ethereum blockchain. It automates payments and eliminates intermediaries.
The platform also enable users to give back to the energy grid and utilize real-time power purchasing decisions, which further reduce energy prices. GridPlus is fueled by the GRID token.

SolarCoin is a blockchain-based platform that awards cryptocurrency for solar energy production. It is designed to accelerate solar energy adoption and to provide an incentive system for generating solar energy.
SolarCoin is designed to act as a global incentive system. They award their native token (SLR) to solar energy producers; who can file a claim with the foundation. 1 SolarCoin= 1 MegaWatt of energy produced.