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COMMUNITY & ISLAND MICROGRIDS
Communities
Renewable energy is an increasingly important asset for rural communities and areas with limited transmission and distribution infrastructure. Energy storage is an essential component of renewable-powered microgrids. In creating a clean and dispatchable local energy resource, expanded access can be provided to traditionally underserved locations.
Energy storage also enables communities to disconnect from the main electrical grid, when necessary, by instantaneously switching between grid power and a community's own energy reserves. Locally generated renewable energy can be stored for later use when a community most needs it, resulting in a more cost effective and resilient microgrid.
Remote Islands
To meet the base energy needs of many remote islands, it often seems like the only available solution is using diesel-powered generators. However, these assets have significant drawbacks. For example:
transporting and securing fuel can be difficult, especially in times of need
operating fuel costs can be expensive and often fluctuate in price
local populations are adversely impacted by significant greenhouse gas emissions and noise pollution
Adding energy storage to an island's existing electrical infrastructure aids in maintaining a stable grid and allows for increased penetration of renewable energy assets. A properly sized energy storage system is capable of smoothing out the variability of renewable power generation and reduces the reliance on diesel fuel by enabling renewables to be used for more hours of the day. Energy storage also enables diesel generators to run more efficiently and less often, thereby lowering the associated operating costs.
MULTI-UNIT RESIDENTIAL
Multi-unit residential buildings can reduce overall energy costs by incorporating energy storage and PV solar. During the night when tariffs are lower and/or during the day from any excess PV solar production, a battery system can store less expensive energy for later use. This stored energy can then be shifted to periods of the day when energy needed to power a building is more expensive, such as daytime cooling and peak-tariff periods.
Operating a battery system to provide load-shifting services will typically flatten out a building’s energy demand, resulting in a reduction in overall energy costs. Additionally, storage enables the operation of highly reliable and secure power source for a building's most critical loads.
COMMERCIAL & INDUSTRIAL
As a large power consumer, fluctuations in energy pricing and rising demand charges can have a significant impact on a company's bottom line. To better control energy costs, commercial and industrial clients can flatten their load profile by utilizing energy storage to charge during off-peak times and discharge during a facility’s peak. By shifting when a facility pulls power from the grid, demand charges can be reduced thereby avoiding costly peak rates. The resulting electricity bill savings can reach 30% on average.
Energy storage also insulates facilities from power outages, protecting against potential revenue losses and damaged equipment. In the event of a blackout, a facility’s critical energy needs can be met with on-site energy storage, ensuring continuous operation and reducing negative impacts on production, equipment, and revenue.
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