How to Read Your Xcel Energy Bill Before Going Solar

Your Xcel bill includes a usage graph showing about 13 months of electricity use. That graph, or the kWh behind it, is the single most important input for sizing solar. Add up the last 12 months of kWh; that annual total is what a system is sized to offset.

Look at the shape too. A big summer hump means air conditioning; a winter hump often means electric heat or a heat pump. Solar produces far more in summer than winter, so a winter-heavy home leans more on its banked credits.

If you’ve added an EV, a heat pump or a hot tub in the last year, the history understates your future use. Tell us, and we’ll size for what’s coming.

Your bill identifies the electric rate plan you’re on. Since November 2025, most Xcel residential customers with smart meters default to time-of-use unless they’ve opted out. If you’re on time-of-use, your usage is broken into on-peak and off-peak lines.

Write down the kWh and the per-kWh price on each line. Those are the real on-peak and off-peak rates for your plan, and they’re what our peak-shift calculator needs.

Every Xcel electric bill has a fixed monthly charge for being connected — metering, billing and service — that you pay regardless of how many kWh you use. Solar doesn’t eliminate it. Neither does net metering. That’s why even a perfectly sized system leaves a small bill, and why anyone promising a $0 bill is overselling.

Below the main charges you’ll see a series of smaller, often abbreviated adjustment lines. These are riders approved by the Colorado Public Utilities Commission to recover specific costs — fuel and purchased power, transmission, energy-efficiency programs, renewable energy, EV programs and energy assistance, among others. Some are charged per kWh and shrink when solar lowers your net usage; some are percentages or fixed amounts.

Their names and amounts change as the PUC approves new ones, so we don’t list them line by line here. If one confuses you, Xcel’s customer service or the PUC can explain it.

Many Xcel customers get natural gas and electricity on the same bill. Solar only affects the electric section. If you’re comparing your bill to a solar savings estimate, subtract the gas portion first, or you’ll overestimate what solar can do.

If you’re thinking about replacing a gas furnace with a heat pump, the gas section is useful: it shows what you’d stop paying, while your electric use goes up. Our electrification calculator estimates how many panels would cover the added load.

Once your system is interconnected and your meter records both directions, your bill shows energy delivered to you from the grid, energy you sent back, and the net. Excess kWh carry forward as credits from month to month. Expect small or negative net usage in summer and larger net usage in winter, with the bank absorbing the difference.

Check your first few solar bills carefully. If exports aren’t showing, the meter or interconnection may not be complete — something we follow up on with Xcel for systems we install.

If you’d rather not decode it yourself, send us a recent bill with your estimate request. We’ll pull the annual kWh, rate plan and peak share and tell you honestly whether solar, a battery or neither makes sense for your house.