DERs as Essential Grid Assets

Distributed Energy Resources (DERs) are no longer just optional add-ons. They are now critical to building a grid that is more resilient, flexible, and sustainable. By generating power locally to where it is used, DERs reduce reliance on distant central plants, minimise transmission losses, lower emissions, and improve energy security. In effect, DER integration boosts grid resiliency and reliability, as local generation and storage can keep critical loads running when centralised systems falter. The flexibility of DERs to operate both grid-tied and in island mode means they can adapt to changing grid conditions, providing support during peak demand or emergencies.

Turning Challenges into Opportunities

DERs transform traditional grid challenges, such as intermittency and bi-directional power flow, into strategic opportunities. Intelligent control systems balance supply and demand in real time, route power where it’s needed most and maintain voltage and frequency within safe limits across a network of DERs. In other words, the very nature of DERs allows dynamic grid support: solar inverters and other smart devices can provide ancillary services (such as frequency regulation or reactive power support) that were once the domain of centralised plants.

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https://www.ruralelec.org/how-renewables-storage-and-smart-controls-are-reinventing-grid-support/