I have a project where DR program is not available, so we are setting up the project to have the infrastructure and developing the plan for demand response. My question is for the requirement to shed 10% of building estimated electricity demand. Do we need to demonstrate that we can shed 10% just at the peak time, or throughout the year?
If throughout the year, then say our building annual peak is 100kW, minimum requirement would be 10kW reduction. If building is operating at part load (say 50kW), a 10kW reduction is equivalent to 20% which is much more difficult. This is especially difficult during hours when project is not fully occupied and during months with mild weather. Is the 10% requirement calculated based on when demand response is triggered?
Marcus Sheffer
LEED Fellow7group / Energy Opportunities
LEEDuser Expert
5909 thumbs up
July 17, 2019 - 2:42 pm
Such programs in the US typically only address peak demand periods on the electrical system, not all year long.
Yu Zhang
Energy & Sustainability Consultanttk1sc
July 17, 2019 - 3:48 pm
Thank you for your response Marcus, I am still confused. For Case 2, the requirement is to "Develop a comprehensive plan for shedding at least 10% of building estimated peak electricity demand. Peak demand is determined under EA Prerequisite Minimum Energy Performance." How do I demonstrate the plan will meet this requirement through my energy model? Would I need to quantify reduction just at the annual peak day/time, or at all peak demand periods (even if these are not as high as 100kW annual peak)?
Marcus Sheffer
LEED Fellow7group / Energy Opportunities
LEEDuser Expert
5909 thumbs up
July 17, 2019 - 4:04 pm
You need to find out when the local utility peaks and develop a plan for reducing it then.