NV Energy Solar Billing: Northern and Southern Nevada

NV Energy's net metering applies different billing riders based on territory, approval date, system capacity, and rider type. Northern Nevada uses 15-minute interval netting under NMR-2025 for approvals after October 1, 2025; southern Nevada uses monthly calculation under NMR-405 Tranche 4. Both credit net excess at 75% of applicable rate.

Sources reviewed: 2026-10-19

Why Your Rider, Territory, Approval Date, and System Capacity All Matter

NV Energy's net metering program is not a single uniform arrangement. The billing rider applied to a solar customer's account depends on four distinct factors: which territory the service address is in, when the interconnection application was approved, how large the system is, and which specific rider is in effect at the time of approval. Getting any one of these wrong leads to incorrect expectations about how exported energy is valued and how the monthly bill is calculated. Understanding all four factors before committing to a system design is therefore a practical necessity, not a procedural formality.

NV Energy serves two separate territories in Nevada, commonly called northern Nevada and southern Nevada. The utility's net metering page distinguishes rider options for each territory independently, and the riders available in one territory are not automatically available in the other. Within each territory, system capacity creates a second split: systems rated at less than 25 kilowatts of electricity and systems rated at more than 25 kilowatts and less than 1,000 kilowatts follow different default riders. This article focuses specifically on systems rated at less than 25 kilowatts. Systems at exactly 25 kilowatts, above 25 kilowatts, or on legacy closed riders are outside the scope of this discussion. Readers with questions about those situations should consult NV Energy's rates and regulatory pages directly.

The third and fourth factors, approval date and the specific rider name, intersect in northern Nevada in a way that makes the application timeline consequential. A customer in northern Nevada whose application was approved before October 1, 2025, does not fall under the newer NMR-2025 structure described below, even if the physical installation happens after that date. Checking the approval date on the PowerClerk record is therefore an important document verification step for any northern Nevada customer trying to confirm which rider governs their billing. For more background on how different states and utilities structure these billing distinctions, see the Solar Cost Atlas overview of utilities and the Nevada state summary.

Sources: NV Energy Net Metering Rates and Plans.

Northern Nevada: Net Metering Rider-2025 and the October 1, 2025 Approval Threshold

For northern Nevada customers with systems rated at less than 25 kilowatts of electricity, NMR-2025 is the default net metering rider for applications approved on or after October 1, 2025, according to NV Energy's net metering page. The approval date is the operative trigger, not the installation date, not the permission-to-operate date, and not the date the customer signed a contract with a solar installer. A customer whose northern Nevada application received approval on September 30, 2025 would not be on NMR-2025 under the terms described on that page. Because the approval date carries this kind of billing consequence, applicants should retain their PowerClerk confirmation documentation and verify the approval date before assuming which rider applies to their account.

The structural feature that distinguishes NMR-2025 from its southern counterpart is the netting interval. Under NMR-2025, the difference between utility-delivered electricity and customer-exported electricity is calculated every 15 minutes rather than over the full billing month. NV Energy's net metering page states this explicitly, and the handbook's section on 15-minute netting confirms that the structure applies to northern Nevada customers whose applications are approved on or after October 1, 2025. The 15-minute interval means that import and export measured within the same interval offset each other, but import in one interval cannot be offset by export in a different interval, even within the same day or the same month.

When a 15-minute interval results in net export, meaning the customer sends more electricity to the grid than NV Energy delivers during that interval, each net-excess kilowatt-hour is credited monthly at 75 percent of the current applicable rate. The applicable rate referenced here is the energy rate the customer would otherwise pay for delivered electricity, but the 75 percent treatment means interval net excess is valued below that full rate. The specific dollar-per-kilowatt-hour figure for the applicable rate is set by NV Energy's tariff schedules and is not fixed in this article. Customers should consult NV Energy's current rates and regulatory page for the figure that applies to their rate class. For a broader explanation of how net metering and net billing structures compare in principle, see Net Metering vs. Net Billing.

Sources: NV Energy Net Metering Rates and Plans.

Southern Nevada: Net Metering Rider-405 Tranche 4 and Monthly Calculation

Southern Nevada customers with systems rated at less than 25 kilowatts of electricity are placed on NMR-405 Tranche 4 as the default net metering rider. NV Energy's net metering page describes this rider as applying a monthly calculation: the difference between the amount of utility-generated electricity and customer-generated electricity is measured over the full billing month rather than at 15-minute intervals. This monthly netting approach means that electricity exported at any point during the month can offset electricity imported at any other point during the same month, provided the export occurs within the same billing cycle. A system that exports heavily on sunny afternoons can use those credits against morning or evening imports, all within the monthly calculation window.

Despite the different calculation interval, NMR-405 Tranche 4 shares the 75 percent treatment for net excess with NMR-2025. NV Energy's net metering page states that each kilowatt-hour of customer-generated electricity sent back to the grid is credited monthly at 75 percent of the current applicable rate. This is the credit that applies when a customer's monthly export total exceeds monthly import, leaving a net-excess position at the end of the billing period. As with NMR-2025, the specific dollar figure for the applicable rate is governed by tariff schedules and is subject to change. Customers should verify the current figure through NV Energy's rates and regulatory resources rather than relying on any fixed amount cited in third-party sources.

NMR-405 Tranches 1 through 3 are noted on NV Energy's net metering page as closed to new customers and listed for informational reference only. New applicants in southern Nevada with systems under 25 kilowatts are directed to Tranche 4. This distinction matters because some older southern Nevada solar customers may still be on earlier tranches, and the billing terms for those closed riders differ. Tranche 4 is the only currently open rider for new southern Nevada applicants in the under-25-kilowatt capacity range. Before drawing conclusions about a neighbor's bill or a quote from a solar installer, it is worth confirming which tranche and which calculation period applies to the specific account in question.

Sources: NV Energy Net Metering Rates and Plans.

A Worked Interval Example for Northern Nevada Under NMR-2025

The following is an original invented example created to illustrate how 15-minute interval netting works under NMR-2025. All assumptions are invented for illustration only. This example is not a complete bill, does not quote a current or guaranteed tariff rate, and does not apply to southern Nevada, to systems at or above 25 kilowatts, to legacy accounts, or to applications approved before October 1, 2025. The example assumes no prior credits or other charges exist on the account, and it isolates exactly two 15-minute intervals to make the arithmetic transparent.

Assume an invented applicable energy rate of $0.20 per kilowatt-hour for both intervals. In interval A, the customer imports 1 kilowatt-hour from the grid and exports zero kilowatt-hours. Because the customer is a net importer in interval A, there is no net excess and no excess credit is generated. The cost for interval A is $0.20, representing one kilowatt-hour at the full applicable rate. In interval B, the customer imports zero kilowatt-hours and exports 1 kilowatt-hour to the grid. Because the customer is a net exporter in interval B, that 1 kilowatt-hour qualifies as interval net excess and is credited at 75 percent of the invented $0.20 applicable rate, producing a credit of $0.15.

Adding these two items together: the customer pays $0.20 for the import in interval A and receives a $0.15 credit for the export in interval B, leaving a net amount of $0.05 on these two line items. This result illustrates a structurally important point. Even though monthly imported kilowatt-hours and monthly exported kilowatt-hours both total exactly 1 in this example, the interval calculation does not produce a zero-dollar outcome. The import and the export fall in separate intervals, so they cannot offset each other at the interval level. The 75 percent treatment on the export credit means the export is worth less than the equivalent import would cost. This asymmetry is a defining feature of 15-minute interval netting under NMR-2025, and it distinguishes the northern Nevada structure from a simple monthly netting approach. For a tool that estimates the value of exported energy at a system level over time, see the Export Value Calculator.

Sources: NV Energy Net Metering Rates and Plans.

How NMR-2025 and NMR-405 Tranche 4 Differ in Practice

The contrast between the two riders comes down primarily to when netting occurs. Under NMR-405 Tranche 4, a southern Nevada customer's imports and exports are compared at the end of the billing month as aggregate totals. A kilowatt-hour exported on a Monday can effectively cancel a kilowatt-hour imported the following Friday. Under NMR-2025, each 15-minute window stands on its own. A kilowatt-hour exported in one interval cannot offset a kilowatt-hour imported in a different interval even if both fall on the same day. This interval-level accounting means that the timing of generation and consumption within the day has a direct effect on the billing outcome for northern Nevada customers in a way that monthly calculation customers do not experience to the same degree.

Both riders apply the 75 percent treatment when a customer has net excess, but the point at which net excess is determined differs. For NMR-405 Tranche 4 customers, net excess is determined once per billing cycle based on the monthly aggregate. For NMR-2025 customers, net excess is determined in each 15-minute interval independently, and the monthly credit is the sum of those interval-level determinations. A customer whose system consistently exports slightly more than it imports within each interval will accumulate 75-cent credits for every dollar of equivalent import, but a customer whose system exports in concentrated bursts while importing at other times may see more intervals where no excess credit is generated at all, because those intervals reflect net import rather than net export.

It is worth noting that neither rider converts an annual kilowatt-hour production estimate into a direct bill prediction without knowing the customer's actual interval-by-interval or month-by-month usage profile. Production estimates from tools such as NREL's PVWatts calculator give annual output projections that are useful for sizing discussions, but they are not the same as a billing projection under either rider structure. For a general discussion of how a monthly electric bill changes after solar installation, see Electric Bill After Solar.

Sources: NV Energy Net Metering Rates and Plans.

The Application and Interconnection Process

NV Energy's solar page describes the interconnection pathway that all new solar customers must follow before their system can legally begin operating in parallel with the grid. The process begins with the contractor submitting an application through PowerClerk, which is NV Energy's online application portal. The applicant, typically the installing contractor, must provide a recent utility bill and a signed installation agreement as part of completing the application. The handbook clarifies that in cases where the property is rented, a signed third-party contract is still required to verify that the property owner is aware of and authorizes the installation. For owner-occupied properties, the executed contract requirement has been updated per the handbook's interconnection document review section.

Once the application is submitted and the application fee is paid, the project moves to Application Review, which NV Energy targets to complete within ten business days. During this stage, NV Energy reviews the proposed system size against the host customer's consumption history to confirm the system is not designed to produce more than 100 percent of annual electricity needs, as required by NRS 704.771. If engineering or metering technical review is also needed, those occur within the same ten-business-day window. If deficiencies are identified, the applicant has 60 calendar days to submit corrections before the application is cancelled. The handbook describes this correction timeline in the Application Corrections Required section.

After application approval, the project moves to an Awaiting Documentation stage in the new application workflow, during which the applicant submits the final building permit, final inspection card, and fully executed interconnection agreement. NV Energy then conducts a Documentation Review and, if documentation passes, schedules a utility safety inspection. The handbook emphasizes that systems may not be energized before NV Energy grants Permission to Operate, and no kilowatt-hour credits accumulate until the utility meter is set. After the inspection passes and all required meters are installed, a Permission to Operate notification is sent to all relevant parties, and the account is moved to the applicable net metering rider. Customers should verify that their PowerClerk record reflects the correct approval date, as that date determines which rider applies in northern Nevada.

Sources: NV Energy Solar and Clean Energy Programs.

Document Checks and Decision Criteria Before You Apply

Before submitting a PowerClerk application, a northern Nevada customer with a proposed system under 25 kilowatts should gather several documents and confirm several criteria. First, the host customer name on the NV Energy account must exactly match the name that will appear in the interconnection application, because NV Energy verifies this during Application Review against its customer information system and county assessor records. Second, the customer should have a recent utility bill available, since it is required as part of the application package. Third, if the property is rented, a signed installation agreement is required to document owner awareness and authorization.

System sizing is another document-driven decision point. The handbook outlines three sizing methods: consumption history using the highest 12 consecutive months of usage from the prior 24 months, an energy audit report for customers without sufficient billing history, and engineering calculations for premises where historical data does not accurately reflect anticipated load. Each method has specific licensing and documentation requirements. The energy audit approach requires an auditor licensed by the Nevada Real Estate Division, and engineering calculations must be wet-stamped by a Nevada licensed professional electrical engineer. Using the wrong sizing method or omitting required documentation will trigger a correction request and restart the Application Review clock.

Solar panels and inverters must appear on the California Energy Commission approved equipment list, and all photovoltaic and energy storage equipment must carry a UL listing. Inverters must be IEEE 1547 compliant. The one-line diagram and site plan submitted with the application must show the location of all relevant components, including meters, disconnects, inverters, and any energy storage equipment, along with the installer's company name and contractor license number. NV Energy requires installations to be performed by a Nevada licensed C-2 or C-2g electrical contractor, and the handbook notes that if a contractor's license is expired, suspended, or revoked, the authority having jurisdiction will not conduct the permit inspection. Verifying contractor license status through the Nevada State Contractors Board before signing an installation agreement is a practical pre-application step.

Sources: NV Energy Solar Generations Handbook.

Connecting Rider Terms to Billing Expectations and Further Resources

Understanding the rider terms described on NV Energy's net metering page is the starting point for forming realistic billing expectations, but the rider description alone does not produce a bill estimate. The applicable energy rate that underlies both the import charge and the 75 percent export credit calculation is set by NV Energy's tariff schedules, which are published on its rates and regulatory page and are subject to change through Public Utilities Commission of Nevada proceedings. Customers whose rate class changes, or whose tariff schedule is modified, may see the dollar-per-kilowatt-hour figure shift without a change to the rider structure itself. Checking the current applicable rate at the time of system commissioning and monitoring tariff dockets for subsequent changes is a prudent ongoing practice.

Use the current rider and the utility's written approval to verify the billing arrangement for your account. Keep the territory, approval date, capacity and rider name together when asking questions. A general solar webpage or partial handbook extract cannot replace the applicable tariff or establish eligibility for a different account. This guide does not infer current incentives, fees or tax treatment from those documents.

The handbook available at NV Energy's solar page provides additional process detail, including appendices with application checklists and sample engineering calculations documents. Because the handbook is updated periodically, the NV Energy website instructs readers to confirm they are reading the most recent version by visiting the solar page directly. The version history within the handbook shows updates as recently as October 2025, reflecting ongoing process revisions including the addition of 15-minute netting descriptions for northern Nevada customers. Any customer or contractor relying on an older printed or downloaded copy of the handbook should download a fresh version from the NV Energy solar page before submitting an application. For a framework to think about how export compensation rates affect the long-run economics of a rooftop system, the Export Value Calculator and the broader Nevada state page offer additional context grounded in publicly available rate data.

Sources: NV Energy Net Metering Rates and Plans.

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