The following terms are important for understanding
the information in this document.
- Demand
Response (DR)
- Changes in electric use by demand-side resources from their
normal consumption patterns in response to changes in the price
of electricity, or to incentive payments designed to induce lower
electricity use at times of high wholesale market prices or when
system reliability is jeopardized.
- Demand Response Automation Server (DRAS)
- The OpenADR-compliant demand response server that is owned by
Akuacom.
- ISO
- Independent system operator.
- RTO
- Regional transmission organization.
- Duration of Event
- The length of an Emergency or Economic Demand Response Event,
in hours.
- Economic Demand Response Event
- An event in which the demand response program sponsor directs
response to an economic market opportunity, rather than for reliability
or because of an emergency in the energy delivery system.
- Emergency Event
- An abnormal system condition (for example, system constraints
and local capacity constraints) that requires automatic or immediate
manual action to prevent or limit the failure of transmission facilities
or generation supply that could adversely affect the reliability of
the Bulk Electric System.
- Emergency Demand Response Event
- The period of time during which participants in a Demand Response
Program must reduce load. The Emergency Demand Response Event is
announced by the program sponsor in response to an Emergency Event
declared by it or by another entity such as a utility or RTO/ISO.
Demand Response Program sponsors, utilities and RTO/ISOs typically
declare these emergency events.
- Program
- The demand response arrangements between retail or wholesale
entities and their retail or wholesale customers. Examples of these
arrangements include: critical peak pricing, critical peak pricing
with load control, direct load control, interruptible load, load
as a capacity resource, regulation, non-spinning reserves, spinning
reserves, demand bidding and buy-back, time of use pricing, real-time
pricing, system peak response transmission tariff, peak time rebate,
and emergency demand response.
- Participant
- An organization that buys and sells under the rules and guidelines
of a demand response program.
- REST
- Representational State Transfer - an architectural style used
in web based communication.