The water industry, in my opinion, has the potential to significantly impact the power demands of the state of California. We can reduce enough that we can put a serious dent in the state’s peak electrical demand.
“Unlike electricity, water has the ability to be stored, and we can often accommodate short-term outages without a reduction in service,” says Dan Howell, director of purchasing and contracts. “We can store water in tanks. We have water coming in via our pipeline. And we have redundant sources, such as wells. So we have the flexibility to stop production at some of our facilities for a limited amount of time—with minimal effect on our operation.”
EMWD has long been an energy innovator. At its headquarters, it operates microturbine generators on natural gas, recovers heat via an absorption chiller, and provides more than 150 tons of cooling capacity—lowering energy use and capturing heat that would have gone to waste.
Minimal Operational Impact
DR is a key element of EMWD’s innovative programs aimed at using energy more intelligently, and Howell is quick to highlight that reducing electricity at a major water plant, such as EMWD, is a simple process that has no negative impact on their business.
“The water industry, in my opinion, has the potential to significantly impact the power demands of the state of California. We can reduce enough that we can put a serious dent in the state’s peak electrical demand.”
The most important benefit of demand response is that it can be easily implemented by EMWD—without requiring major changes or affecting its core mission of providing clean water to its constituents. Under the program terms, EMWD can choose to participate in a dispatch at varying levels by either running equipment at lower levels or shutting them down completely, and always has the option of manually restarting when necessary.
A Professional DR Partner
Working with Enel X has been a great experience, according to Howell. “The demand response program is very professionally operated,” he says. “I’m impressed with the communications and very comfortable with our partnership with Enel X.”
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