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How it Works…and WHEN

Mosaic installs a controller
on water heaters that boosts
efficiency while ensuring
hot water availability
.

Controller connects to water heater

Thousands of water heaters connect to
form a Water Heater Efficiency Network
(WHEN)
and a Smarter Grid.

Thousands of water heaters

Mosaic sells optimized
community energy storage

to the grid to maintain reliability.

Mosaic sends quarterly payments
to all WHEN participants contributing
to a Smarter Grid.

How & WHEN We Contribute to a Smarter Grid

Mosaic Power’s Water Heater Efficiency Network (WHEN) is a state-of-the-art system that optimizes the timing of energy usage among thousands of electric water heaters. The system synchronizes electricity demand by connected water heaters with the needs of the electric grid. By monitoring and managing this flow automatically, in real time, Mosaic Power and its participants are continuously building a cleaner, more reliable, and Smarter Power Grid, one water heater at a time.

And WHEN is especially beneficial to affordable housing, where maximizing the energy storage potential of thousands of water heaters can have a significant economic impact.

You know what’s really smart? All those single water heaters allow us the flexibility to offer multiple services to the grid, including frequency regulation and load shifting, while maintaining hot water for each tenant.

Best of all, the Mosaic system operates quickly and remotely, ensuring participants’ use of  hot water WHEN they need it.

FAQs on How it Works

How does Mosaic make money?

Mosaic Power currently participates in the Frequency Regulation Market that is run on the PJM electric grid.  We bid, along with other business, the minute-by-minute power use of WHEN to help make the entire grid cleaner and more reliable.  We are paid by PJM every month and we pass along a reliable rebate check to property owners at the end of every quarter.  While we are currently researching additional energy storage services that we can offer utilities and electric grids across the country, our current operation is within the Frequency Regulation Market in PJM’s electric grid.

How long will a water heater be “off”?

Mosaic Power knows that our community energy storage service only works if tenants are happy and if property managers & owners want to participate.  In fact, this “invisibility” to tenants is the only way that we’re able to operate and stay in businesses.  We put a high value on participant happiness by making sure there’s hot water available for tenant use at all times.  In fact, we make sure each water heater is “fully hot” every one to three hours, depending on how well the electricity usage matches the size of the water heater.  We also make sure each water heater turns is able to turn on at least once every twenty to thirty minutes.  The specific frequency and length of our shifting depends on the specific signal we have from the electric grid and the specific usage pattern of each water heater.

How much energy can be shifted by this water heater network?

Our WHEN can achieve one kilowatt-hours per water heater every hour with no discernible impact to the participant.  For every 1,000 water heaters participating in WHEN, we achieve one megawatt-hour.  We distribute this energy deficit across our water heater network, which adds up to a large impact with thousands of connected water heaters.

I’ve heard of batteries…are you guys like batteries?

Like batteries, water heaters have energy storage potential in the form of thermal energy (hot water). The obvious difference is water heaters cannot put that thermal energy back on the electric grid like batteries do.  Water heaters CAN shift when they charge or heat – just like a battery.  And, unlike a battery, water heaters can discharge as hot water is used leaving more room for additional charging as needed.

What happens if the power goes out?

Power outages do not affect the operation of Mosaic Power’s load controllers.  In the event of a power outage, our load controllers are simply reset and resume operation once the power is restored.

What kind of “data” do you gather on tenants?

Mosaic Power develops an individual profile for every water heater in WHEN that is solely made of how much and when electricity each individual water heater uses.  Through this electricity use data, we create an individual profile of each water heater.  We use this profile to model our operation of each water heater through predictive analytics to ensure that we’re maintaining plenty of hot water for tenant use.  The electricity use information is the only data we gather and we do not share any data that can identify individual water heaters outside of our company.

Who does Mosaic pay and how much?

Mosaic issues reliable quarterly payments that are specific to the location of your multi-family property.  Mosaic pays the complete cost of producing, installing, and maintaining our equipment.  Contact Mosaic today to learn what you can earn by connecting!

How it Works

  • WHEN: Water Heater Efficiency Network
  • How We’re Different
  • About Frequency Regulation
  • Load Shifting

mosaic benefits

  • Multi-Family Properties
  • Grid Operators
  • Climate Impact

installations in the pjm grid

WV: 1,690 Water Heaters
(West Virginia)
VA: 1,000 Water Heaters
(Virginia)
PA: 1,288 Water Heaters
(Pennsylvania)
OH: 6,982 Water Heaters
(Ohio, United States)
MD: 3,334 Water Heaters
(Maryland)
IL: 276 Water Heaters
(Chicago, IL)
DC: 32 Water Heaters
(Washington, DC)

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Turn your water heaters into energy and $$ Start Connecting and Collecting Today!

Address

mosaic power

45 East All Saints St,
Frederick, MD, 21701
855-566-7693

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