Bill Comparison
Interested in viewing how your electric bill compares to other residential utilities? Visit the Public Service Commission of Wisconsin to enter your electric residential bill comparison report criteria to calculate your results.
Residential Electric Bill ComparisonRate Tariffs
The Public Service Commission of Wisconsin (PSCW) provides information concerning Sun Prairie Utilities’ rate tariffs. The rate tariff is also kept on file at the PSCW.
SPU Electric Rate TariffPower Cost Adjustment Clause (PCAC)
This is a variable component of our rates as approved by the Public Service Commission of Wisconsin (PSCW). The Power Cost Adjustment Clause (PCAC) is a monthly pricing adjustment comparing actual purchased power costs to allocated costs as approved by the PSCW.
If actual costs are greater than the allocated, the result is an additional per-kilowatt hour charge on your bill. If actual costs are less than allocated, the result is a per-kilowatt hour credit on your bill. The PCAC assures you are only paying the actual costs associated with your actual consumption.
During times of peak demand for electricity, such as the summer and winter months, the cost to purchase power is typically higher.
The PCAC also varies monthly depending on the wholesale cost Sun Prairie Utilities pays to purchase electricity to meet all of its customers’ needs. Since the utility does not own electric generating resources, the not-for-profit depends on contracts with others to deliver the electricity that lights homes and powers businesses.
Summer Energy Rates
Energy costs more in the summer, in part because of increased air conditioning use, overall customer demand for electricity is at its highest in the summer months, which can mean we pay more to purchase the energy resources we deliver to your home. This means your bill is likely to increase during this time of year. You also may notice the Power Cost Adjustment Clause (PCAC) on your bill. Since the cost to generate or buy electricity fluctuates throughout the year, adjustments are made to reflect the true cost of power. Each month, base rates are collected representing the utility’s projected cost. The PCAC accommodates these monthly fluctuations in power costs. And when it comes to the hot, summer months, weather and the demand for electricity play a pivotal role.
Nights and Weekends Smart Plan
Residential customers have the option to apply for time of day rate option (RG2). This structure defines a peak time period for on-peak at which all consumption used is charged a higher cost than regular Residential (RG1). Likewise, all consumption not used on-peak is considered off-peak and all off-peak consumption is charged a lower cost than RG1. The on-peak period is defined as Monday through Friday between 8:00 a.m. and 8:00 p.m., excluding Saturday, Sunday, and holidays.
The current RG1 and RG2 rates can be found under Rate Tariffs (seen above). To see if switching to the Nights and Weekends Smart Plan makes sense for your household, check out the rate comparison tool on MyAccount.
The Nights and Weekends Smart Plan requires a 12-month commitment, so it is imperative that a household can move at least 62% of total monthly consumption to the off-peak period. If not, they would be paying more premium on-peak costs and would be paying in total more than on the regular RG1 rate. If you are ready to consider making the switch complete our simple sign up form.
Sign up for Nights and Weekends Smart Plan
Customer Bill of Rights
Sun Prairie Utilities is regulated by the Public Service Commission of Wisconsin. You can read your rights as a municipal utility customer by downloading a copy of the PSCW Customer Bill of Rights.