Xcel Colorado Solar Billing: Rollover or Annual Payout

Colorado solar customers on Xcel Energy must choose between Continuous Rollover dollar credits or Waive annual payout, each with permanent election consequences affecting how excess generation is credited and whether unused credits transfer at sale.

Sources reviewed: 2026-10-19

How Xcel Energy Colorado Measures Your Solar Output

Understanding what each meter on your property actually records is the first step toward reading your solar bill correctly. Xcel Energy installs two distinct meter types at most solar installations: a net meter and a production meter. The net meter is the main billing meter, and it tracks the flow of electricity in both directions, recording kilowatt-hours drawn from the grid and kilowatt-hours pushed onto the grid by your system. Depending on your service characteristics, Xcel may install a standard net meter that rolls backward during export periods, or a bi-directional meter that records delivered and exported energy on separate registers. Either way, the figure that drives your monthly bill is the net exchange, not your system's gross output.

The production meter is a separate device with its own account number, and its monthly statements are mailed to the owner of the photovoltaic system. That meter records total kilowatt-hours generated by your panels each billing cycle, and for customers enrolled in the Solar Rewards program it also serves as the basis for calculating monthly Renewable Energy Credit payments. It is important not to confuse production meter readings with net meter readings: the two devices answer different questions. The net meter tells you what you owed or banked after netting consumption against generation, while the production meter tells you how many kilowatt-hours your panels actually produced. Xcel assigns meter type based on amp rating, service voltage, and applicable rate, and the choice is not optional for the customer.

Sources: Xcel Energy CO Solar Rewards FAQ, Xcel Energy Colorado Net Metering.

What Net Energy Metering Actually Credits and What It Does Not

Net Energy Metering is described by Xcel Energy as a service element that offsets your electric consumption by allowing you to sell excess generation back through a single net meter. When your system produces more electricity than your home or business uses at a given moment, the surplus flows onto the grid and is held in a virtual Solar Bank to be applied against future bills. The credits that accumulate in that bank, whether as dollars or as kilowatt-hours depending on your election, can offset eligible electric energy charges on your account.

What those credits cannot do is eliminate fixed charges that appear on every electric bill regardless of how much or how little energy you consume. The Service and Facilities charge is a flat monthly amount that recovers the cost of meter reading, billing, customer accounting, and the utility's investment in customer-related infrastructure such as meters and service laterals. Solar customers who produce more electricity than they use in a given billing period are still responsible for that fixed charge. Additional per-kilowatt-hour adjustments such as the General Rate Schedule Adjustment and the Renewable Energy Standard Adjustment also appear on solar customer bills. Being a net producer in a given month does not exempt you from any of these charges, a point the billing FAQ makes explicitly. Keeping the distinction between eligible energy charges and fixed or pass-through charges in mind will prevent surprise when you review a bill in a strong production month.

Sources: Xcel Energy CO Solar Rewards FAQ, Xcel Energy Colorado Net Metering.

The Solar Bank Election: Choosing Between Continuous Rollover and Waive

When you complete your solar interconnection application with Xcel Energy in Colorado, you are asked to fill out a Solar Bank Election Form as part of the e-signature process. That form presents two options, and understanding the difference between them before you sign matters because one of the choices is permanent. Option A is Continuous Rollover Credits. Option B is Waive Decision, which defaults your account to a year-end payout. If you do not make a selection, your account is automatically set to Option B.

The stakes of that default are meaningful. Under Continuous Rollover, the dollar credit in your bank rolls forward month after month and year after year without expiring, but you can never receive it as cash and it cannot be transferred to another account or to a new homeowner. Under Waive, excess kilowatt-hours accumulate through the year and Xcel Energy issues a check at year-end calculated using the Average Hourly Incremental Cost of electricity from the prior twelve months, a rate that has historically been a small fraction of retail energy rates. The Waive option preserves one additional flexibility: you can make a one-time switch to Continuous Rollover at any point during the life of your contract, provided you submit that election by no later than December 1 for it to apply to the current year. Once you have elected Continuous Rollover, however, you cannot revert to Waive under any circumstances.

Sources: Xcel Energy CO Solar Rewards FAQ, Xcel Energy Colorado Net Metering.

How the Continuous Rollover Dollar Credit Works in Practice

When you elect Continuous Rollover, any excess generation from your net-metered system is multiplied by the prevailing total energy rate for the same time period in which that excess energy was generated. The total energy rate is defined as the base energy rate plus riders assessed on a per-kilowatt-hour basis. The resulting dollar figure is credited to your account and applied first against eligible electric energy charges in the current billing period. Any dollar credit that exceeds those charges rolls into your Rollover Bank and carries forward to the following month.

The following is an original simplified example intended to illustrate the structure of credit application. All figures are invented for explanatory purposes only, and actual bills will contain additional charges, riders, and conditions not shown here. Suppose your eligible energy charge for a billing period is $20, your Service and Facilities charge is $10, and your available Rollover Bank Dollar Credit is $30. Xcel applies the $30 credit against the $20 eligible energy charge, reducing it to zero, and the remaining $10 of credit stays in your Rollover Bank for future billing periods. The $10 Service and Facilities charge remains payable in full because that charge is explicitly excluded from offset by rollover credits. The key decision criteria when reviewing your bill: check the Electricity Charges Detail section for the line labeled Rollover Bank Dollar Credit to confirm the carried balance, and verify that fixed charges are not being offset, because they will not be regardless of how large your bank grows.

Sources: Xcel Energy CO Solar Rewards FAQ, Xcel Energy Colorado Net Metering.

How the Waive Election and Annual AHIC Payout Work

Under the Waive election, excess kilowatt-hours accumulate month to month in a Solar Bank and roll into the next billing cycle rather than being converted to a dollar credit in real time. At the end of the calendar year, Xcel Energy closes out the bank and issues a check for the accumulated excess energy. The purchase price used for that check is the Average Hourly Incremental Cost of electricity, commonly abbreviated AHIC, calculated from the prior twelve months. The existing-customer FAQ explains that this rate is determined using a cost calculator that evaluates the incremental system cost of the last fifty megawatt block of energy dispatched to serve native load, factoring in fuel costs and applicable economic purchase transaction costs.

It is important not to compare the dollar balance in a Continuous Rollover bank with a Waive payout as if they represent equivalent value for the same kilowatt-hours. They are calculated under completely different methods. Rollover credits reflect the prevailing retail energy rate for the period of generation, while the AHIC payout reflects a wholesale-adjacent incremental cost that has historically been substantially lower than retail rates. The applicable prior-period AHIC determines the payout calculation; no current cents-per-kWh figure is assumed here. A customer evaluating whether to switch from Waive to Continuous Rollover before the December 1 deadline should review the current year's accumulated kilowatt-hours in their Solar Bank, consider whether their usage patterns will allow those credits to be consumed over time, and weigh the permanence of the Rollover election against the relatively modest cash payout available under Waive.

Sources: Xcel Energy CO Solar Rewards FAQ, Xcel Energy CO Existing Customer FAQ.

Interconnection Approval and What Must Happen Before Construction

Xcel Energy's net metering page carries a prominent note that construction of your solar system should not begin until your application has received full approval from the Xcel Energy engineering team and all final agreements are fully signed. That guidance is not a bureaucratic formality. Proceeding before written interconnection approval is granted can create complications with your ability to receive net metering benefits and may affect insurance and warranty coverage. In most cases, your solar installer or developer will submit the interconnection application on your behalf and manage the project details directly with Xcel, but the name on the application must match the name on the Xcel Energy account.

Eligibility requirements for net metering include being an active Xcel Energy residential or business electricity customer with a valid account and premise number. All equipment must be UL 1741 SB certified and listed on the California Energy Commission's Solar Equipment Lists. Systems must also be sized so that expected generation, as estimated using a tool such as NREL's PVWatts calculator, does not exceed two hundred percent of historical consumption at the service address when combined with any other distributed generation resources already serving that location. Meeting the sizing threshold is a document check worth completing before finalizing your system design, because an application that produces expected generation above the two-hundred-percent limit will face additional review.

Sources: Xcel Energy Colorado Net Metering, Xcel Energy CO Solar Rewards FAQ.

What Happens to Solar Bank Credits When You Sell or Move

One of the most consequential features of both Solar Bank election options is how they behave when a property changes hands or when a customer closes their Xcel Energy account. Under Continuous Rollover, the consequences are unambiguous: you cannot cash out your Rollover Bank, and no credit will be given if you move or stop service. Credits cannot be transferred between Xcel Energy accounts or to a new homeowner. That means any accumulated dollar balance in a Rollover Bank is forfeited at the point of account closure. A customer who has built up a large rollover balance and is approaching a sale should factor this into their decision-making well before a closing date.

For customers with existing Solar Rewards contracts who are selling their home, the existing-customer FAQ describes a separate but related process involving an Assignment of Contract. The new owner can assume responsibility for the terms of the original contract, but to receive the benefits of the net-metered rate, the new homeowner must also sign a new Interconnection Agreement with Xcel Energy independently. The new homeowner will need to supply proof of insurance and complete their own Solar Bank Election Form, making an independent choice between Rollover and Waive. If the new homeowner declines to sign the assignment form, the original contract signer retains responsibility for its terms. The existing-customer FAQ is bounded to questions about existing contracts and transfer mechanics; it does not govern current incentive pricing or universal capacity allowances for new applicants.

Sources: Xcel Energy CO Solar Rewards FAQ, Xcel Energy CO Existing Customer FAQ.

Rate Options, REC Payments, and Choosing a Billing Structure That Fits Your Usage

Colorado solar customers on Xcel's net metering program can choose between a flat rate and a Time of Use rate, and that rate choice interacts with the Solar Bank election in ways that are worth understanding before you commit. Under the flat rate, credits for excess generation are applied at a consistent per-kilowatt-hour rate regardless of when the energy was produced. Under Time of Use pricing, credits are tied to the time period in which generation occurred, meaning on-peak and off-peak generation produce credits at different values. The Continuous Rollover election specifies that excess generation is multiplied by the prevailing total energy rate for the same time period the energy was generated, so a Time of Use customer with Rollover credits will have credits denominated at on-peak or off-peak rates depending on when the surplus occurred. Xcel's net metering page notes that if most of your solar production happens during on-peak hours, Time of Use may produce higher credits, while a flat rate offers more predictable billing.

For Solar Rewards program participants, the production meter also generates a separate monthly Renewable Energy Credit payment based on actual production, calculated by multiplying total kilowatt-hours produced by the REC price specified in your Reservation Letter and REC Purchase Contract. That payment is issued as a separate check and cannot be credited toward your account balance. The existing-customer FAQ clarifies that REC payments can only be made to the owner of the photovoltaic system and cannot be assigned to an alternate recipient. These REC payments are distinct from net metering credits and should be tracked separately when reviewing your overall solar billing picture. Customers who are uncertain about which rate structure suits their household usage patterns can use the Rate Comparison Tool available through Xcel's online account portal and review the related guidance Xcel publishes alongside its net metering documentation.

Sources: Xcel Energy Colorado Net Metering, Xcel Energy CO Existing Customer FAQ.

Related research: Utility solar billing guides, colorado solar guide, Your Electric Bill After Solar, Net Metering vs Net Billing.