Distributed energy resources

Definition

Distributed energy resources (DER) refer to small-scale power generation or storage technologies that are located close to where the energy is used, rather than at a large, central plant. These resources can include solar panels, wind turbines, energy storage systems, and combined heat and power systems, playing a crucial role in enhancing the efficiency and reliability of energy distribution networks.

5 Must Know Facts For Your Next Test

1. Distributed energy resources can enhance grid resilience by reducing reliance on centralized power plants and enabling localized generation.
2. DER can help lower transmission losses since they are located closer to the point of consumption, improving overall energy efficiency.
3. Many distributed energy resources operate using renewable sources, contributing to the reduction of greenhouse gas emissions.
4. The integration of distributed energy resources into existing infrastructure requires advanced technologies like smart meters and control systems for optimal management.
5. As the adoption of distributed energy resources grows, regulatory frameworks need to adapt to facilitate their integration into the energy market.

Review Questions

• How do distributed energy resources contribute to enhancing the resilience of energy distribution networks?
  • Distributed energy resources enhance the resilience of energy distribution networks by decentralizing power generation. This means that if one source of energy fails, others can continue to supply power locally, reducing the impact of outages. By integrating various small-scale generation options like solar panels and wind turbines, communities can become less reliant on centralized power plants and have better control over their own energy supply.
• Discuss the role of smart grids in facilitating the integration of distributed energy resources into existing power systems.
  • Smart grids play a critical role in facilitating the integration of distributed energy resources by utilizing digital communication technology. They allow for real-time monitoring and management of energy flows between various sources and consumers. This enables better coordination among distributed resources, enhances grid stability, and optimizes the use of renewable energy, ultimately leading to a more efficient and reliable power system.
• Evaluate the potential challenges that distributed energy resources may pose to traditional energy markets and regulatory frameworks.
  • The rise of distributed energy resources presents several challenges to traditional energy markets and regulatory frameworks. One major issue is how to fairly compensate consumers who generate their own power while still maintaining a reliable grid. Additionally, existing regulations may not adequately support the integration of DER into the market. These challenges require policymakers to rethink current structures and consider new incentives that promote sustainability while ensuring equitable access to energy for all consumers.

Related terms

Microgrid: A localized energy system that can operate independently or in conjunction with the main power grid, integrating various distributed energy resources.

Net Metering: A billing mechanism that allows consumers who generate their own electricity from renewable sources to sell excess power back to the grid.

Smart Grid: An electricity supply network that uses digital communications technology to detect and react to local changes in usage, integrating distributed energy resources efficiently.