Your electricity rates may seem complex, but they come down to key components. 58% of electricity costs are related to generating power from fuels like natural gas.
Prices for these fuels are influenced by supply, demand, and weather. As a result, when fuel prices go up, energy pricing often follows suit.
Generation
The generation portion of your electric bill is the cost of the fuel used to produce electricity. The price of the fuel fluctuates as supply and demand vary. For example, in summer, when energy consumption is typically higher due to air conditioning, demand increases, and wholesale prices rise.
The best electricity rates in Texas also depend on where you live and the state of your local power system. The availability of local fuel sources, like natural gas, is a key factor. Power plant capacity and reliability are other factors. Additionally, your state’s regulation of the industry and power market structures determine how wholesale market prices are translated to retail prices on your electricity bill.
A rising electricity price can stimulate existing power plants to increase their utilization and encourage firms to invest in renewable energy. However, policy interventions such as greenhouse gas emissions targets can have the opposite effect by increasing prices and reducing energy efficiency.
In addition to wholesale market costs, your electric bills include transmission, distribution, transition, and other charges approved by your state. Your supplier bills these costs under the “delivery” section of your bill. They are designed to cover your utility’s expenses for its wires, poles, and other equipment to bring energy to your home or business.
Transmission
Electricity transmission rates are based on the cost of transmission infrastructure, which utility companies typically own. Power transmission infrastructure includes high-voltage lines between substations and lower-voltage lines that connect the distribution system to customers. Transmission rates also depend on the capacity utilization of the transmission system, which can affect the total cost of electricity to end users.
As demand increases, electricity transmission systems work close to their maximum capacity. This can lead to congestion and other reliability issues. The price of electricity at this time is usually higher because it is more expensive to add energy from less efficient “peaker” plants than from “baseload” plants.
Transmission costs can also increase when a weather event causes peak demand. Extreme weather conditions like heat waves and cold snaps can drive up energy use and cause electricity prices to spike.
Residential customers in deregulated markets can choose from various electricity supply plans that offer options for managing energy rates. The rate options available vary by state and jurisdiction. Competitive energy suppliers can help customers navigate their rate options to meet their budget, risk, and energy management needs. Options include fixed-rate plans that protect against market volatility and index and block options that allow for more flexibility. Customers can also take control of their energy rates by adjusting their usage patterns to reduce demand during times of high pricing.
Distribution
Delivering electricity to your home or business takes a lot of energy. That energy is delivered through a complex network of wires, poles, meters, and equipment that must be maintained and operated. Your local electric utility has to pay for this infrastructure. This is reflected on your bill under distribution costs, accounting for about half of the total amount you pay for power.
Distribution rates are set in complicated rate-making proceedings that require a complete accounting of the utility’s assets that earn a return and annual operating and maintenance expenses. The result is that changes in distribution prices reflect both the capital investments intended to maintain and expand power generation capacity and a pass-through of general inflation as well as fuel- and plant-specific inflation components.
In addition, distribution costs also increase due to weather conditions that impact demand. For example, a severe hot or cold snap can increase energy consumption and force technicians to supplement existing supply by using less efficient power sources. The increased cost of supplying this additional energy increases the distribution rate.
Keeping track of market changes, regulatory developments, supplier contract terms, and other factors that affect electricity pricing can be difficult. Fortunately, working with experts to develop an electricity procurement strategy alleviates this challenge.
Demand
The other major line item on your electric bill is known as demand. Similar to how your car’s odometer records your total miles traveled, the demand charge on your commercial electricity bill reports your peak power requirement over one of the thousands of fifteen-minute intervals in the billing cycle — measured in kilowatts (kW).
Energy prices spike when demand exceeds available supply. This is due to several factors, including power plant costs, weather, and the ability to maintain and repair power plants.
Getting the right amount of electricity to you when needed takes planning, engineering, and investment. This is especially true for high-demand customers such as large industrial facilities and commercial buildings. For these customers, utility companies must be ready to meet peak demand for hours at a time, requiring extra generation, transmission, and distribution capacity.
To help control and stabilize energy costs, utilities are shifting away from volumetric rate structures toward time of use (TOU) and demand rates. These new rates encourage commercial electricity consumers to reduce their demand during high-demand times, lowering energy prices for everyone.