Lower Peak Demand Charges and Reduce Energy Costs
Save More with Commercial Solar Energy Storage
Solar by itself can cut monthly energy charges dramatically. Storage can amplify those savings by addressing demand charges. Combining solar and storage creates more ways to save and can be a winning combination for commercial customers with the right energy profile.
Learn how Positive Energy Solar’s expertise and knowledge can help customize a solar and storage solution to meet your organization's energy needs. Call us today at (505) 908-9578.
How Energy Storage Works - Lowering Peak Electricity Costs
Demand charges usually apply to commercial and industrial customers that pay time-of-use rates and at certain bill sizes.
Depending on how much electricity your business uses, and how your business uses electricity throughout the day, your monthly electricity bill may have two parts: 1) Energy charges—for the total amount of electricity you use 2) Demand charges—for “peak usage”
Demand charges are based on the highest 15-minute average usage recorded on the demand meter within a given month. If your facility tends to use a lot of power over short periods, your demand charges will comprise a larger part of your bill (typically between 30 and 70 percent). If you use power at a more consistent rate throughout the month, your demand charges will generally be a smaller part of your bill.
The curve created by the up and down movement of your monthly energy bills is called the load profile. Businesses with a lot of fluctuation have a "spiky" load associated with drastic shifts throughout the day in how much energy they are consuming. Storage helps reduce that spike.
Step 1: Solar Charges Your Batteries
During daylight, your solar system uses batteries to store excess energy it generates.
Step 2: Software Monitors Power Consumption
Intelligent software coordinates between solar and storage, optimizing how and when energy is utilized.
Step 3: Batteries Release Energy
Stored energy can be released:
- When rates are high
- To keep supply at a consistent level and avoid peak demand charges
- To stay below a certain energy use threshold and avoid moving into a higher rate tariff
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