Ethan BrooksBy Ethan Brooks

Updated November 2026

What is solar net metering? It is a billing arrangement that lets your home solar system send extra electricity to the grid and receive a credit for it. This guide explains how that credit works, what equipment you need, and how to check whether your utility is handling your credits correctly.

How Solar Net Metering Works Day to Day

Your solar panels produce direct current, which an inverter converts to alternating current for your home. When panels produce more than your home uses at that moment, the surplus flows out to the utility grid. A bidirectional meter records both the electricity you pull from the grid and the electricity you push back. At the end of the billing period, the utility nets those two numbers against each other.

Shopping for one? See our guide: Net Metering in Virginia vs Virginia Community Solar: Which Should You Choose?.

If you exported more kilowatt-hours than you imported, you may carry a credit forward to the next month. Many utilities apply it to your energy charges first. Fixed monthly service fees usually still apply, so a net-metered home is rarely billed at zero.

What You Need to Qualify

Most utilities require a few basics before they approve a net-metered interconnection:

  1. A grid-tied inverter certified to the utility’s interconnection standard.
  2. A bidirectional or net-metering meter, usually installed by the utility.
  3. A signed interconnection agreement, submitted before you energize the system.
  4. A system size within the limit set by your utility or state program.

Requirements differ by region, so read the specific rules in our step-by-step breakdown of Solar Net Metering Requirements: What You Need to Qualify (Step-by-Step) before you apply.

How Credits Are Valued

The value of each exported kilowatt-hour depends on your utility’s tariff. Some credit exports at the full retail rate, while others pay a lower avoided-cost rate. Time-of-use plans can make the same kilowatt-hour worth more at 6 p.m. than at noon. A single credit line on your bill therefore may not reflect the true value of what you sent to the grid.

Check whether your state has moved to a different model. Some places have shifted to net billing, which pays a lower export rate. For a side-by-side comparison, see Solar Net Metering vs Net Billing (2026): Which Should You Choose?

Checking Your Net Metering Credits

Read your monthly statement with a simple checklist. Confirm the meter reads both import and export. Find the line showing exported kWh and the credit rate applied. Verify that any carried-over credit appears in the next cycle.

Bill item What to look for
Imported kWh Electricity pulled from the grid
Exported kWh Surplus solar sent back
Net credit rate Rate applied to exports
Carryover balance Credit rolled into next month

Common Mistakes

  • Assuming net metering means a zero bill. Fixed service charges still apply.
  • Ignoring a change in your utility’s rate plan after installation.
  • Oversizing a system beyond the utility’s allowed limit.
  • Energizing the array before the interconnection agreement is approved.
  • Skipping the annual review of your credit balance and rate schedule.

A basic home energy monitor helps you track import and export in real time, so you can compare what the meter records with what your bill shows. Search for View on Amazon to see options that track solar production alongside household use.

A clamp-on power meter lets you verify circuit-level loads when you check whether your panels are covering your daytime demand. Search for View on Amazon.

FAQ

Does net metering eliminate my electric bill?

Usually not completely. Most utilities charge fixed monthly fees and may apply a minimum bill, so a small charge often remains even when your credits cover your energy use.

What happens to extra credits at the end of the year?

Policies vary. Some utilities roll credits forward indefinitely, while others pay out a reduced amount once a year. Check your interconnection agreement or tariff for the exact rule.

Can I switch away from net metering later?

Often yes, but terms differ. Some states grandfather existing systems, while others move new customers to net billing. Ask your utility before changing plans, and consult a qualified professional or your utility’s customer service team for guidance on your specific situation.

Conclusion

Solar net metering lets your home receive a credit for surplus power, and understanding your bill is the key to getting full value from it. Learn your utility’s rate structure, confirm your meter records both directions, and review your statements regularly. Small checks now can prevent surprises later.

Ready to choose one?

Ethan Brooks

About Ethan Brooks

Ethan Brooks is part of our editorial team and reviews and edits our home solar guides, checking product details against manufacturer specifications and owner feedback.