We introduced the term transactive energy* as the future evolution of the Smart Grid in Chapter 2. Transactive energy is an evolving concept, as initial pilots are testing the capacities of existing technologies, policies, processes, and business models.† The Department of Energy, Pacific Northwest National Lab, and utilities including Bonneville Power Administration and Portland General Electric are participating in a pilot discussed later in this chapter.
Transactive energy proponents envision an organized marketplace where prosumers can buy or sell electricity with confidence that transactions are managed through enforceable rules that apply to all. This marketplace is managed in coordination with utility grid operations ...
