Skip to content

Understanding Electricity Demand Charges for Your Business

Electricity demand charges are one of the most misunderstood ,and costly, components of a business energy bill. By understanding how they work and when they occur, businesses can take control of their energy usage and significantly reduce expenses.

November 19, 2024 Lian Pickens 5 Minutes

Article Contents

Jump to a specific section

Key Takeaways

Electricity demand charges are fees based on your business’s highest level of energy usage during a billing period, not just total consumption. These charges can make up a significant portion of commercial energy bills, sometimes as much as 30–70%, and are driven by peak demand on the electrical grid. The blog explains how demand charges differ from standard supply charges, why utilities use them to manage grid capacity, and how factors like time of use, seasonal demand, and usage spikes impact costs. It also outlines practical strategies businesses can use to reduce demand charges, such as peak shaving, load shifting, investing in on-site energy solutions, and improving overall efficiency.

  • Demand charges are based on your highest energy usage (peak demand), not total consumption.
  • These charges can account for 30–70% of a commercial electricity bill, making them a major cost driver.
  • Utilities use demand charges to manage grid capacity and recover infrastructure costs, especially during peak periods.
  • Businesses can reduce costs through strategies like peak shaving, load shifting, energy efficiency upgrades, and demand response programs.

Why is my business energy bill so high?

Commercial energy bills contain a lot of complicated data and unexpected fees that can be surprising for business owners. Understanding the information and fees lurking in your company’s power bills can unlock an abundance of saving opportunities. For example, electricity demand charges are an often-overlooked aspect of monthly utility bills. However, these charges are one of the most common reasons why energy bills can skyrocket out of control. Discover a variety of effective strategies to control demand charges and reduce your business’s energy bills. 

What are Electricity Demand Charges? How Do They Work?

Electricity demand charges are a fee on energy bills that helps utility companies recover the costs associated with distributing power to their customers. It charges each customer for electricity consumption beyond their average power demands. These fees can be based on individual energy demands or regional energy demands. Because of this duality, demand charges can account for between 30-70% of your commercial energy bill. 

By basing part of each customer’s energy bill on their peak level of demand, utilities can better manage energy capacity and distribution. These fees are particularly expensive for businesses during periods of extreme energy demands, like during heat waves or extreme cold fronts. The high rates of energy demand charges encourage conservation efforts, helping utility companies avoid outages and expensive infrastructure repairs. 

What’s the Difference Between Supply Charges & Demand Charges?

Electric supply charges are based on the total amount of energy your business or home consumes throughout a billing period. It’s typically charged in a dollars per kilowatt-hour (kWh) structure. Supply rates are determined by your retail energy provider and can be negotiated for a lower rate. 

Electric demand charges are based on the highest level of electricity consumed. The pricing structure for energy demand charges will vary based on your utility company. Some utilities charge demand pricing for set periods, like 4pm-9pm, which is a common summer demand period. Other utilities might determine demand charges daily, adding fees for any spikes in energy consumption within a 24-hour period. 

Why Does My Business Receive Demand Charges on My Electricity Bill?

Having enough power capacity readily available to meet peak demand on the electrical grid at any given time costs utility companies a lot of money. Peak demand charges help distribute these expenses across all customers in a given service area. With demand charges, large energy consumers pay their fair share for the strain their operations put on the electrical grid.  

In order to provide reliable and consistent power, utility companies must be prepared to meet the highest collective peak demand. They accomplish this capacity by investing in infrastructure projects, like distribution lines or substations, to ensure they can meet demand.  

Electricity meter on a utility pole.

Types of Demand Charges on Energy Bills

Each utility company has their own rate structure for electric power demand charges. Explore the seven most popular types of demand charges below: 

Flat Rate

A flat $ per kWh charge based on a singular KW demand reading during the billing period. 

TOU pricing

Time of Use demand charges offer a lower rate during periods of low demand and a much higher rate during peak demand periods. 

Coincident Peak Pricing

When a user’s highest recorded demand occurs during the utility company’s system-wide peak demand period. 

Max/Non-Coincidental

Charges based on a customer’s highest demand within a billing period regardless of time of day. 

Block demand/Tier pricing

Demand charges that vary based on specific consumption thresholds. As usage enters a new tier, an additional demand charge is added. 

Daily Demand

A daily $ per kWh demand charge. These fees are measured and billed daily throughout the billing cycle. 

Seasonal Demand

These charges may be applied to your account during peak seasonal demands. For example, they could be applied on a Monday at 6am during a winter snowstorm or on a Thursday at 4pm during a summer heatwave. 

How can I Reduce Peak Demand Charges?

Nothing is more stressful than opening your business’s energy bill to unexpected and expensive demand charges. While you can’t control regional power demands, you can control your business’s demand response to reduce these fees. Explore six highly effective strategies to reduce your company’s power demand charges.

Peak Shaving

Peak shaving is a cost reduction strategy in which businesses reduce their energy consumption during peak demand periods. By lowering energy usage, businesses are essentially eliminating the “peaks” in their energy consumption. This practice reduces commercial demand charges through energy conservation.

Load Shifting

Load shifting is a successful cost reduction strategy in which businesses disperse business operations throughout the day to reduce fees. For example, a manufacturer might receive expensive demand charges for running machinery during the day. However, they can reduce these fees substantially by shifting intensive operations to their overnight shift, when regional demands are lowest.

On-site Renewable Energy

Another method to successfully reduce demand charges is investing in a renewable energy system, like rooftop solar panels. If your business generates its own electricity, it won’t need to pull from the regional grid during peak periods. This is an ideal strategy for businesses with daytime operations or willing to make a secondary investment in a storage system.

Battery Energy Storage Systems

Investing in a battery energy storage system (BEDD) is a proactive way to reduce costs and improve energy security. By charging the battery during low demand periods, your business can use the reserved power during expensive demand periods. BESS solutions provide back-up power during outages, enabling you to keep operations running smoothly.

Improving Energy Efficiency

A more holistic approach to reducing fees is focusing on improving the energy efficiency of equipment and operations. Rather than focusing on demand periods, energy efficiency projects reduce the total amount of energy your business consumes, lowering electricity bills overall. Focus on building systems and equipment with the biggest impact, like HVAC, lighting, or heavy machinery. 

Demand Response Programs

Utility companies create demand response programs to incentivize businesses to consume less energy during periods of peak demand. By lowering consumption, demand response programs reduce the need to run expensive generators or distribute energy from storage facilities. These programs encourage customers to shift energy consumption from peak demand periods to less demanding times through specific customer benefits.  

What is a Demand Response Program? How Do They Work?

Demand response programs usually provide low energy rates during lower demand periods and much higher rates during peak demand periods. This rate structure incentivizes businesses to shift their operations to less expensive operating hours. By encouraging customers to lower consumption during peak demand periods, utility companies reduce the strain on the electrical grid.  

Demand response programs help utilities better manage power capacity, distribution and costs. Instead of turning on power plants or running expensive generators to meet high demands, these programs reduce demand and grid stress overall. Demand response reduces the need for expensive infrastructure projects, lowers utility operating costs, and provides a cost-effective solution for energy-intensive enterprises.  

How does Demand Response Differ from Demand Side Management?

The difference between demand response and demand side management (DSM) is best explained with examples. For instance, demand response is actively turning off a light during peak periods to conserve power. However, DSM practices would replace the lightbulb with a more efficient LED model to continuously reduce consumption. 

Demand response is the practice of actively reducing energy consumption during specific peak demand time periods. Essentially, it means a consumer actively adjusts their energy consumption during peak periods.  

Demand side management (DSM) is the practice of passively reducing overall energy consumption. With DSM, consumers make an overall operational change that continually reduces energy consumption over time.  

Understand Demand Charges to Lower Business Energy Bills

As emerging industries like data centers, AI, and cryptocurrency rapidly expand, utilities are struggling to keep up with skyrocketing power demands. Tech industry growth is driving up demand charges nationwide. It’s crucial for businesses to understand when demand charges occur and how to reduce their impact. Adjusting business operations, investing in sustainable energy technologies, or participating in a demand response program are proactive strategies to reduce energy expenses and support a more resilient electrical grid. 

While these cost reduction strategies are successful, pairing their efforts with a cost-effective energy plan amplifies their impact. Integrity Energy’s expert brokers leverage our network of 30+ energy suppliers to negotiate the lowest energy rates on the market. Request a free quote to explore cost-saving energy solutions for your business today. 

Connect with Integrity Energy for Competitive Energy Rates

Integrity Energy’s experts handle the entire energy procurement process for you, from negotiation to your future renewal. Get your free quote to start enjoying lower energy rates today!

About the Author Lian Pickens picture

Lian Pickens

Published November 19, 2024

Lian Pickens is a Marketing Specialist at Integrity Energy, specializing in business energy and renewable energy. With over 2 years of experience in the energy industry, she creates edu…

Read more from Lian …
Follow Lian Pickens on