
Electric companies often rely on estimated readings to charge customers for their energy usage, which can lead to discrepancies in billing. These estimates are necessary when actual readings are not feasible, such as when a meter is inaccessible. The difference between estimated and actual readings can result in customers being charged for energy they didn't use or unexpected bill amounts. While companies correct these discrepancies in subsequent bills, it can cause short-term financial challenges. Understanding how energy costs are calculated and staying informed about one's energy plan and supplier options are crucial for managing energy budgets effectively.
| Characteristics | Values |
|---|---|
| Reason for estimation | Inaccessibility of the meter or inability to perform an actual reading every month |
| Impact on bill | Variation in monthly bill, with potential overestimation or underestimation of charges |
| Correction of inaccuracies | Inaccuracies are corrected at the next actual reading, resulting in a lowered or increased bill |
| Frequency of actual readings | Quarterly or semi-annually |
| Calculation of electricity usage | Based on wattage, average usage hours, and price per kilowatt-hour (kWh) |
| Understanding electricity bill | Breakdown of home energy charges, including supply charges, capacity cost, and usage-based costs |
| Switching energy plans | Possible to switch to a cheaper or fixed-rate plan to control energy budget |
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What You'll Learn

Inaccuracies in estimated readings can lead to a higher bill
Electric companies do use estimated readings to calculate your bill, especially when they can't access your meter. These estimates are based on historical energy use or the electricity used in the same month of the previous year.
While these estimates are corrected in subsequent actual readings, inaccuracies in these readings can lead to a higher bill. This is because estimated readings can either overestimate or underestimate your charges for a given month. These inaccuracies could amount to a few dollars or a few hundred dollars, depending on the circumstances. For instance, if your bill was higher a year ago than it was this month, you can expect to pay more for electricity this month than you actually used.
This can cause serious problems in the short run, impacting your finances. The main outcome is greater variation in your monthly bill, with swings caused by inaccuracies in the estimates. If you ever receive a shocking bill, check if the electric company is accounting for a discrepancy between estimated and actual energy use.
To avoid this, you can perform your own readings. Most electric companies will permit you to read your meter.
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Utilities use estimates when they can't access meters
Utilities use estimates when they can't access a meter for a variety of reasons. For example, in an apartment building, an individual's electricity meter may be located inside another unit, making it inaccessible to utility companies. In such cases, the utility company may estimate the bill based on the previous year's data or an equation that takes into account factors such as the number of occupants or square footage. This is known as Ratio Utility Billing Systems (RUBS) and is commonly used when submetering is not practical or possible due to plumbing or wiring constraints.
Another reason for using estimates is the high number of customers that utilities serve. For instance, NYSEG provides electricity to almost 900,000 people across New York. With such a large customer base, it is impractical for NYSEG to perform an actual reading every month for every customer. Therefore, they rely on estimated readings every other month or when they cannot access a meter due to locked doors or other barriers.
Digital meters have emerged as a solution to reduce the need for estimated readings. These meters use low-power wireless radio to transmit real-time energy usage data to the utility company, helping them better manage the power grid and quickly detect power outages. Digital meters also benefit customers by providing real-time access to their energy usage data, enabling them to make informed decisions and control their energy costs. Additionally, digital meters have been found to emit RF levels well within FCC safety guidelines, addressing concerns about potential health risks.
While estimated readings can cause short-term fluctuations in monthly bills, most companies do actual readings quarterly or semi-annually. If there is a discrepancy between the estimated and actual usage, the difference is usually corrected in the subsequent billing cycle. Customers concerned about estimated readings can also opt to read their own meters, although the utility company will still send a representative to verify the reading.
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$87.59

Estimated readings can be based on the previous year's data
Electricity companies often rely on estimated readings when they are unable to access a meter or obtain its data. These estimates are based on previous usage patterns or historical energy use, which can include the electricity consumed in the same month last year. For instance, if your bill was higher in a particular month last year, you may be billed for more electricity in the current month even if your actual usage is lower.
In some cases, estimated readings can be based on the previous year's data. This typically occurs when the electricity meter is located in an inaccessible area or when the data from the meter is not available. For instance, if the meter is inside another unit in an apartment building, utility companies may estimate usage based on the previous year's data. While this estimation method can be convenient when direct access to the meter is challenging, it may not always accurately reflect a customer's current usage patterns.
To ensure accurate billing, it is recommended that customers provide their own meter readings. Many electricity companies allow customers to submit their own readings, either by jotting down the number from the meter or using a digital platform. By providing their own readings, customers can avoid estimated bills and have more control over their energy costs.
It is worth noting that estimated readings are typically adjusted over time to align with actual usage. If an overestimate occurs, customers may receive a lowered bill in the subsequent month to compensate for the difference. Conversely, underestimates can result in a higher bill down the line to make up for the initial shortfall. While these corrections ensure that customers ultimately pay for their actual usage, the variations in estimated and actual readings can cause fluctuations in monthly bills, impacting short-term finances.
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Companies usually do actual readings quarterly
Electric companies often rely on estimated readings to formulate their bills. This is due to the impracticality of visiting every customer's home to perform an actual reading each month. As such, companies usually do actual readings quarterly. This can lead to a discrepancy between the estimated and actual energy use, which can cause a significant increase in your bill.
For instance, if your electricity company is unable to access your meter, they will use an estimated reading. This may be because the meter is behind a locked door, or nobody is home to grant access. In these cases, the company may estimate your current usage based on previous data. This could be your usage from the previous year, or that of the previous tenant.
The difference between estimated and actual readings can have a notable impact on your bill. Inaccuracies in estimated readings can cause your bill to fluctuate by a few dollars or a few hundred dollars. If you are charged more than your actual usage, the company should correct this discrepancy with a lowered bill in the following month. Conversely, if you are charged less than your actual usage, you will be expected to pay the difference in the subsequent bill.
If you are concerned about the potential impact of estimated readings on your finances, you can request permission from your electricity company to read your meter yourself. This will provide you with more control over your bill, as you can report the actual reading to the company and avoid any surprises.
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You can calculate your own power consumption estimates
Another way to calculate your power consumption is to use formulas. You can find the daily energy consumption using the following formula: (Wattage x Hours Used Per Day) / 1000 = Daily Energy Consumption. The wattage values provided by companies are samples, and the actual wattage of products varies depending on product age and features, so it is best to enter your own wattage value for the most accurate estimate.
You can also calculate your monthly energy consumption by using a power consumption kWh estimator. This can help you lower your electricity usage and save on energy bills. For example, in the winter, the most energy-efficient temperature for your thermostat is 68 degrees Fahrenheit, and in the summer, it is 78 degrees. You can also lower the temperature on your water heater to 120 degrees Fahrenheit.
Additionally, you can decrease how often electronics and appliances are running in your home. For example, you can turn off lights and unplug electronics when they are not in use. You can also switch to energy-efficient appliances, such as ENERGY STAR-certified appliances, which consume less electricity than non-certified models.
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Frequently asked questions
Electric companies use estimated readings as a substitute for actual readings when they are unable to access the meter, or when it is not possible to perform an actual reading. This could be because the meter is behind a locked door, or because nobody is home to let the representative in.
Estimated readings can cause variation in your monthly bill, with charges potentially differing by a few hundred dollars. If you are charged more than you used, the electric company will correct this with a lowered bill the next month. If you are charged less than you used, you will be charged the difference the next month.
Most companies do actual readings quarterly or semi-annually. You can request that they send someone out to do an actual reading, or you can read your own meter.
Electric companies calculate estimated usage based on past data, such as the previous year's usage or the previous tenant's usage.











































