[Net Metering Explained](/blog/solar-rebates-and-incentives-by-state): How to Get Credit for Your Solar Energy

You open your first electric bill after installing solar and expect a near-zero balance. Instead, you see a $12.47 "connection charge" and a line item for "Net Generation Credits" worth exactly $0.031 per kWh — roughly one-third of what your neighbor pays for grid power. That feeling? That's the difference between full-retail net metering and avoided-cost net billing. Understanding this one number determines whether your solar panels pay for themselves in 6 years or 14.

Let's cut through the policy jargon and get to the math that matters for your wallet.

How Net Metering Actually Works (The Simple Mechanics)

Net metering is a billing arrangement that lets you store excess solar energy on the electric grid instead of in a battery. When your panels produce more power than your home uses during the day, that surplus flows backward through your meter. Your utility tracks this "export" and gives you a credit — usually a one-to-one kWh credit — that you redeem when you pull power from the grid at night or on cloudy days.

Here's the concrete example that makes it click:

• Your 7.6 kW system (typical 20-panel setup) generates 32 kWh on a sunny June day
• Your home uses 18 kWh during those daylight hours
• The remaining 14 kWh flows to the grid → you earn 14 kWh credits
• That night, you run your AC and appliances, consuming 22 kWh
• The utility applies your 14 kWh credits, so you're billed for only 8 kWh

Without net metering, you'd pay full retail for all 22 nighttime kWh — roughly $3.08 at the U.S. average of $0.14/kWh. With full-retail net metering, you pay $1.12. Over a year, that difference adds up to $400–$700 for a typical home.

The Two Flavors: Full Retail vs. Avoided Cost

This is the single most important distinction in solar economics. Not all "net metering" is created equal.

| Billing Type | Credit Rate | Example Value (per kWh) | Annual Savings on 8 kW System | States/Utilities | |---|---|---|---|---| | Full-Retail Net Metering | 1:1 kWh credit at your full retail rate | $0.14 – $0.32 | $1,200 – $2,800 | NY, MA, NJ, CO, many municipal utilities | | Avoided Cost (Net Billing) | Wholesale or "avoided cost" rate | $0.02 – $0.06 | $200 – $600 | CA (NEM 3.0), AZ, HI, some parts of TX | | Partial Net Metering | 1:1 credit but capped at 100-120% of usage | $0.10 – $0.14 | $800 – $1,200 | FL, NC, OH |

Full-retail net metering means every kWh you send to the grid is worth exactly what you'd pay to buy it back. If your rate is $0.18/kWh, your credit is $0.18/kWh. This is the gold standard.

Avoided cost (sometimes called net billing) pays you only what it costs the utility to generate that power — typically $0.02 to $0.06 per kWh. California's NEM 3.0, which took full effect in 2023, shifted the entire state to this model. A homeowner who would have saved $2,400/year under NEM 2.0 now saves roughly $800–$1,000/year under NEM 3.0.

The trade-off? Under NEM 3.0, pairing solar with a battery becomes almost mandatory to shift your self-consumption. Without a battery, you're selling your afternoon solar for pennies and buying expensive evening power at $0.40+/kWh.

Net Metering by State: Where You Live Changes Everything

There is no federal net metering law. Your rights depend entirely on your state's policies and your specific utility. Here's the 2025 landscape:

Strong net metering states (full retail, no caps):

• New York — Full 1:1 net metering for residential systems under 25 kW. No expiration date.
• Massachusetts — Full retail, but the SMART incentive program adds a declining block rate on top (currently ~$0.07/kWh for new installations).
• New Jersey — Full retail, though the Transition Incentive program reduces payments by ~10% annually for new systems.
• Colorado — Xcel Energy offers full retail net metering for systems up to 120% of your annual usage.

States with net billing or avoided cost:

• California — NEM 3.0 pays ~$0.04/kWh average. This is the most consequential policy shift in U.S. solar history.
• Arizona — APS and SRP use net billing at ~$0.03/kWh. Tucson Electric offers a slightly better rate at ~$0.08/kWh.
• Hawaii — No net metering since 2015. Customer Grid-Supply program pays ~$0.10/kWh, but new approvals are rare.
• Texas — No statewide policy. Some utilities (Austin Energy) offer full retail. Others (CenterPoint) offer avoided cost or nothing.

States with no net metering or limited programs:

• Alabama — No statewide net metering. Tennessee Valley Authority (TVA) offers a "dispersed power" program that pays ~$0.02/kWh.
• Mississippi — No net metering. Entergy offers a pilot program with a $0.04/kWh credit.
• South Dakota — No state mandate. Some rural cooperatives offer net billing at ~$0.03/kWh.

For your specific utility, check our Solar Rebates & Incentives by State guide — it includes direct links to each utility's net metering tariff sheet.

How to Track Your Net Metering Credits (And Why Most People Don't)

Here's the dirty secret: most solar homeowners don't know whether they're actually getting credited correctly. Utilities make mistakes. Meters fail. Rate changes get applied retroactively.

You need to monitor what your panels produce and what your utility credits you. Your inverter app (Enphase Enlighten, SolarEdge monitoring) shows production. Your utility bill shows net consumption. The difference? That's where errors hide.

This is where the Emporia Vue Gen 3 Whole-Home Energy Monitor becomes essential. For $109.99, it gives you real-time production and consumption data with 1-second granularity. You can see exactly when you're exporting to the grid and when you're pulling from it. The app shows your net metering balance in dollars and kWh, so you can compare it to your utility bill line by line.

I've caught two billing errors in the last year using mine — one where my utility credited me at the avoided cost rate instead of full retail (saved me $340), and another where a meter firmware update zeroed out my accumulated credits. The monitor paid for itself in the first month.

Net Metering vs. Net Billing: The Critical Distinction

People use these terms interchangeably, but they create radically different solar economics.

Net metering treats your home and the grid as a single, unified bank account. You deposit kWh during the day, withdraw them at night. One-to-one. Simple.

Net billing treats your solar production as a separate revenue stream. You sell your excess at wholesale rates (low) and buy your home's power at retail rates (high). You're a mini power plant, not a banking customer.

The practical impact: under net billing, you want to minimize exports. That means either:

• Right-sizing your system to cover 90-100% of annual usage (not 120%)
• Adding a battery to store your afternoon surplus for evening use
• Shifting loads — run your dishwasher, pool pump, and EV charger during peak solar hours

California's NEM 3.0 makes this math brutal. A typical 7.6 kW system without a battery under NEM 3.0 saves about $850/year. Add a Tesla Powerwall 3 ($9,200 installed) , and savings jump to $1,600/year — but now your payback period stretches to 8-9 years instead of 5-6 under NEM 2.0.

Frequently Asked Questions

Does net metering work in every state?

No. As of 2025, 22 states have mandatory net metering policies, 12 states use net billing or similar programs, and 7 states (Alabama, Mississippi, South Dakota, Tennessee, Georgia, Alaska, and parts of Texas) have no statewide net metering requirement. In those states, your utility decides the terms — often paying you $0.02–$0.04/kWh for exports. Always check your specific utility's tariff before signing a solar contract.

Can I get net metering with a battery?

Yes, in most states. Under full-retail net metering, a battery doesn't change your billing — you still earn 1:1 credits for exports. Under net billing (like California's NEM 3.0), a battery becomes crucial: you store your afternoon solar and discharge it during expensive evening hours, avoiding buying grid power at $0.40+/kWh. Some utilities also offer "storage adders" — Arizona's APS pays an extra $0.025/kWh for battery exports during summer peak hours.

How much is a net metering credit worth?

It depends entirely on your rate structure. Under full-retail net metering, your credit equals your full retail rate — typically $0.10 to $0.32 per kWh depending on your utility and time-of-use plan. Under avoided cost net billing, credits range from $0.02 to $0.06 per kWh. A typical 8 kW system in a full-retail state generates $1,200–$2,800 in annual credits. In a net billing state, those same panels generate $200–$600.

Bottom Line

Net metering isn't a single policy — it's a spectrum from "free banking" to "sell low, buy high." Your solar payback period depends more on your utility's net metering policy than on your panels' efficiency or your roof's angle. If you're in a full-retail state, solar is a no-brainer. If you're in a net billing state, you need a battery and careful load shifting to make the math work. Before you sign any contract, get your utility's exact net metering tariff in writing, run the numbers for your specific rate plan, and never assume your credits will be there tomorrow — policies change, and the trend is moving toward net billing nationwide.