OpenADR is an open system standard for demand response communication that is interoperational for users, utilities, and system operators. It was first implemented in California and was adopted into the federal level after showing positive results in the state. The national standard is known as OpenADR 2.0, which comes in three different profiles - OpenADR 2.0a governing simple demand response devices, and OpenADR 2.0b and OpenADR 2.0c for more advanced DR systems. This standard speeds up and eases the process of demand response by using automatic signals between different parties.
OpenADR 2.0 is part of Energy Interoperation, an overarching energy standard published in 2012. It was enforced mainly to enable interoperation of automatic demand response systems. The standard is divided into 3 profiles that address different demand response scenarios.
OpenADR 2.0a is intended to govern simple DR devices that have capacity and memory limitations. For example, heaters and thermostats. The main service that OADR 2.0a supports is EiEvent, which is implemented during emergency and reliability events, and other critical periods. OpenADR 2.0a automatically calls for demand response actions by transmitting the signals to DR participating consumers.
OpenADR 2.0b came out around the same time as profile 2.0a. It is designed to regulate programs for full-service clients and servers. It supports a more comprehensive list of services aside from automatic event prompts of EiEvents. In addition, the standard support protocols and specifications for other automatic demand response features:
OpenADR 2.0c was developed later than the two profiles. It is intended to support wholesale market communication between implementing and regulatory parties like the ISO, utilities, and aggregators. The massive scope of this market requires additional advanced features for the OpenADR.
OpenADR 2.0b and OpenADR 2.0c are closely similar but the latter has additional advanced features. The latest OADR standard comes with enhanced specifications for EiEvents functions. It also has a unique feature called EiQuote that publishes price signals and distributions for tender prices. This allows wholesale clients to bid for the right prices and services related to demand response.
Historically, household and small business consumers prefer OpenADR 2.0b over the first profile because it covers most of the essential elements necessary for a fully-functional automated demand response program. Wholesale energy buyers, on the other hand, aim to comply with OpenADR 2.0c to make their demand response initiatives convenient, efficient, and affordable.
More importantly, OpenADR 2.0b and OpenADR 2.0c make automated demand response programs interoperable and therefore can be accessed, assessed, and replicated effectively. Have you made your energy system OpenADR compliant? Apply the standard to your home or business and reap the long-term benefits of an automated and interoperable demand response system.
Sirikit Hiyasmin Loong-Elebaran is a Filipino Freelance Writer who has 9 years of technical niche experience. She mainly provides content for electrical and IT companies. She is also the CEO and Founder of www.zyvolutions.com and www.filipinofreelancewriters.com . You can reach her at firstname.lastname@example.org.
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