A Customer-Centric Approach To Grid-Connected Distributed Energy...

A Customer-Centric Approach To Grid-Connected Distributed Energy Resources

Rodger Smith, SVP & GM, Oracle Utilities [NYSE: ORCL]

Rodger Smith, SVP & GM, Oracle Utilities [NYSE: ORCL]

Electric utilities—like all utilities— are in the service business. For many years, that was a straightforward, one-way delivery process: the utility provided electricity to its customers, and the customers paid the utility for the service.

Providing service to today’s electricity customer, though, is a different kettle of fish entirely. The electricity distribution grid is quickly evolving, fuelled by an explosion in the number of customer-connected distributed energy resources (DER) such as solar rooftops, batteries, home/building energy management systems and smart appliances. As customer interest in these grid-connected, customer-owned technologies continues to spread, new electric distribution network technologies are necessary to accommodate them, and a fundamentally different approach to the electricity grid is needed.

The growth of DER generation outside the utility’s direct control presents an operational challenge: the ability to control and optimize a more distributed grid requires utilities to have visibility and to be able to model grid resources all the way down to the consumer level. Legacy distribution systems were never designed to take granular customer DER into account: they can’t provide visibility to grid-edge devices to any scale. Further, most of these new devices and services empower consumers to make energy decisions to meet their own needs, not those of the whole system. In this respect, this latter factor is tilting the grid toward customer-centric distribution systems.

Defining the Customer-Centric Distribution Grid

Typically, the term “customer-centricity” means putting the customer at the center of the focus of your business, with an understanding that creating meaningful customer value and really putting customers first engenders the most—and the longest-lasting—business value.

"Providing service to today’s electricity customer, though, is a different kettle of fish entirely"

Customers now want from their utilities the same instant access to the most up-to-date information in the platform of their choice (telephone, e-mail, text, web portal, etc.) that they receive from other service providers. As well, as the cost of rooftop solar photovoltaics has dropped, customers want to have more control over their electricity source as well as their consumption. So, while the utility customer has historically been a more passive customer, this is no longer the case today. Active customer participation is putting the customer at the center of the grid equation like never before.

The Customer-Centric Grid and DER Lifecycle Management

Customer-centricity is particularly important when we look at the changes the distribution grid must undergo as DER continue to proliferate at its edge. For the utility to fully integrate, manage, model and optimize DER in real time, a new lifecycle management model is necessary; one that will ensure the utility can also continue to maintain the safety, reliability and efficiency of its distribution network while still supporting this exponential growth of customer-level DER adoption. This new DER lifecycle management process starts with the customer, and ensures that he or she remains engaged throughout the entire cycle.

Taking DER Lifecycle Management Step by Step

There are six key steps in the DER lifecycle management process: connection and energize, operations and control, service and maintenance, risk analysis and planning, outage and distribution management, and customer interaction.

Connect and energize: Utilities already have established new-connect processes, which can be extended and modified— and automated—to account for the new complexity involved in connecting new customer DER as well as capturing the key DER attributes needed to model and manage the grid connection. The connect-and-energize process is also an excellent opportunity for the utility to increase customer engagement and build a different relationship by ensuring customers are aware of all the incentives they qualify for, or aiding them in understanding how they can adopt ongoing technical planning and management of their DER.

Operations and control: Much like sensor-based field devices and smart meters, DER create high volumes of complex data, and though DER are decentralized, they are still part of the utility’s grid infrastructure. Extracting value from that data (for demand response programs, outage management, load shifting and other benefits) begins by the utility treating DER as a grid-side resource so that the work of integrating them into the network model—where they are visible can be expedited. To scale up to the millions of devices expected to popular the new, distributed energy grid, utilities will need automated information management processes in place with customers and/or their contractors to populate a DER device asset registry that can, in turn, be used to model customer connections and related grid impacts.

Service and maintenance: Once the DER is visible to the utility and managed within the context of the network model, it’s all about being able to deliver value-based service to the customer wherever possible. While these services will vary by regulations and by geography, they could include:

• Alerting customers when their output is dropping and their rooftop photovoltaic system needs maintenance, and connecting them directly with third-party service providers to affect repairs.

• Increasing customer choice to participate in programs such as demand response, load shifting, and the sale of excess and stored DER generation into other markets.

• Connecting and communicating with customers when and how they prefer.

Risk analysis and planning: Once the DER has been integrated into the network, the utility can begin to incorporate its data within its ongoing planning process. Most utility regulators assume distribution grid-side resource benefits in the DER feed-in tariff or net-metering retail rates, and so it is up to utilities to fully leverage their value in planning and operating models to avoid any excess costs of T&D infrastructure capacity.

Outage and distribution management: Looking ahead, the substantial penetration of customer DER, combined with the utility’s ability to aggregate, prioritize and control it could eventually support islanding, which would permit the utility to isolate parts of a grid and power each individually using local solar gardens, batteries, backup and rooftop generators and even demand response to balance load requirements in real time. In the case of an outage, islanding would permit power sharing, which can significantly lower the negative economic consequences of widespread or prolonged outages.

Customer interaction: Ultimately, if the utility has successfully incorporated all the lifecycle steps above, it will be able to circle back to its customers with new information, new programs, and new models for continuing engagement. The customer-centric approach becomes a win-win, both for the DER customer and for the utility.

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