Nrg Energy, Inc. · NYSE:NRG

Nrg Energy — EEIP (Energy Efficiency Implementation Project) meeting, October 2022

7 slides from Nrg Energy's conference presentation, Oct 18, 2022

  1. Slide 1: Increasing DR Through REPs

    Increasing DR Through REPs EEIP, 10/18/2022

  2. Slide 2: The Potential

    The Potential — There are approximately 7.2 million residential customers in the Oncor, CenterPoint, AEP Texas, and TNMP service territories. — With limited exception, these customers all have advanced meters (i.e., Smart Meters). — However, only about 12% of these customers (less than 900K) have a

  3. Slide 3: A Tale of Two Thermostats

    A Tale of Two Thermostats — Device DR, where a device (such as a smart thermostat) is controlled and where a customer retains override capability. o Very effective but limited to customers who have that device. o Customers want to retain the option to control/override. — Behavioral DR, where a custo

  4. Slide 4: Device DR v. Behavioral DR

    Device DR v. Behavioral DR — Device DR = more “bang” for the buck. o Average 20-30% reduction in customer demand during the period thermostat is controlled. — Behavioral DR = less impactful, but still helpful. o Customers who actively participate lower their demand by approximately 10-15%. o However

  5. Slide 5: Smart Thermostat DR is a very effective resource for limited durations

    Smart Thermostat DR is a very effective resource for limited durations • Long DR events eventually lose participants to opt-outs • Load shed of the last interval in a 4- hour event is 22% of the first interval Typical load reduction for a Summer DR event in 2022 Increasing DR Through REPs October 19

  6. Slide 6: DR is most valuable if market price is predictably high for a window of a few hours

    DR is most valuable if market price is predictably high for a window of a few hours Stretching high prices over Market price signals that last several hours is not useful longer than a few minutes for most DR but less than many hours is optimal for DR Illustrative wholesale prices Increasing DR Thro

  7. Slide 7: Questions?

    reliant, Questions?

NRG Energy — EEIP (Energy Efficiency Implementation Project) meeting, October 2022 on 6ix