Solar net metering for homeowners guide
Solar Net Metering in Ireland
Solar net metering in Ireland matters because it shapes how much value you get from the electricity your solar PV system produces and exports.
You use your own solar power in real time, and any surplus flows to the grid under Ireland’s microgeneration export arrangements rather than a traditional meter that runs backwards. Understanding the difference between net metering and the Clean Export Guarantee (CEG) helps you set realistic expectations about credits, cash payments, and what happens when you import electricity at night or in winter. You also need to know the practical steps and constraints that affect getting paid, including eligibility rules, registering your microgeneration, and the impact of having a smart meter for measured exports. Along the way, it helps to weigh the trade-off between maximising self-consumption and exporting more, plus the paperwork and grid process that involves ESB Networks and the NC6 form.
With those basics clear, you can make confident decisions about installing solar, setting up export payments, and getting the best return from every unit you generate.
What is Net Metering and How Does it Differ from Ireland’s Clean Export Guarantee (CEG) System?
Net metering matters because it changes how you get value from the electricity your solar PV exports. The main difference is that net metering offsets your imports at your retail rate, while Ireland’s Clean Export Guarantee (CEG) pays you for measured exports. With net metering, exporting during the day can offset what you import later, which is simple but depends heavily on rules like rollover, settlement periods, and any caps. With CEG, export is paid separately, so your best savings still come from using solar on-site before you export. Both systems reward smart timing, but the better fit depends on your load profile and tariff.
How do net metering and CEG compare overall?
In Ireland, CEG is an export payment rather than true bill netting. Under the Commission for Regulation of Utilities (CRU) microgeneration framework, your electricity supplier pays you for every metered unit (kWh) you export, with export and import measured via a smart meter where installed.
Net metering
Net metering is straightforward: your meter is effectively settled on a net basis over an agreed billing period, so exported units reduce billed imports.
Clean Export Guarantee (CEG)
CEG separates self-consumption savings from export earnings, which means batteries, timers, and load shifting can have a bigger impact on results. If you are looking at options like storing daytime generation to cover evening use, this practical primer is useful: hybrid solar inverter guide.
Which is best for you?
If you can use most of your solar during the day, CEG plus high self-consumption usually wins in practice. If you rely on heavier evening loads, net metering (where it exists) can be easier to value, which is why it helps to get clear on what is actually available in the Irish market and how export is settled in real billing.
Does Ireland Have “True” Solar Net Metering?
Sort out how solar export actually works in Ireland so you can estimate savings correctly, set up the right metering, and avoid the classic “my meter runs backwards” misunderstanding. Treat your system like two separate flows: the electricity you use on-site (self-consumption) and the electricity you send back to the grid (export). Get paid for export through the Clean Export Guarantee (CEG) under Ireland’s Microgeneration Support Scheme (MSS), with the rules set by the Commission for Regulation of Utilities (CRU), and make sure your import and export are measured accurately, usually via a smart meter. Once you understand that split, you can choose monitoring that shows what’s happening in real time and match it to your usage patterns.
Does Ireland Have “True” Solar Net Metering?
Does Ireland have “true” solar net metering where the meter runs backwards?
No. Ireland does not use “true” net metering where exports simply run your import meter backwards. Instead, microgenerators are paid for exports under the Clean Export Guarantee (CEG) within the Microgeneration Support Scheme (MSS), with the framework set by the CRU microgeneration information and the wider MSS outlined by the Department of Climate, Energy and the Environment. In practice, you self-consume your solar generation on site, then any surplus export is credited separately by your supplier, rather than being a 1:1 offset against imports.
What you’re probably picturing (and why it matters)
This matters because “backwards meters” can make payback look better than it really is, especially if you assume every exported unit cancels out an imported unit at the same price. In the real world, you want accurate import and export tracking with proper bi-directional measurement and clear monitoring, because that is what keeps your savings estimate grounded in what your home actually consumes.
What Ireland actually does instead
Exported electricity is remunerated via your electricity supplier’s export rate under the MSS, called the Clean Export Guarantee (CEG). Citizens Information sums it up plainly: if you export excess renewable electricity to the grid, you receive a CEG payment, and the amount depends on your supplier’s rate as described in Citizens Information’s micro-generation guidance. That difference between import price and export credit is why on-site usage patterns matter so much for overall value.
How export is measured on your bill
Export is recorded separately rather than netted off imports, using smart metering and supplier billing processes. ESB Networks covers the micro-generator connection process and common export reading issues on its connect a micro-generator support page, which is useful context for why some customers see export handled differently depending on meter capability and read availability. Once you know how the export reading is captured and credited, it becomes much easier to decide what monitoring you need to validate performance day to day.
Frequently Asked Questions About Solar Net Metering in Ireland
Does Ireland have net metering for solar panels?
Ireland does not have “true” net metering where your import meter runs backwards. Microgenerators are paid for exported electricity through the Clean Export Guarantee (CEG) under the Microgeneration Support Scheme (MSS), with suppliers required to offer a CEG export tariff and explained for consumers by Citizens Information.
What is the Clean Export Guarantee (CEG) in Ireland?
The CEG is a payment from your electricity supplier for the renewable electricity your microgeneration system exports to the grid. The export rate is set by the supplier (so it can vary), while the overall framework sits under the MSS and is regulated through CRU decisions and rules, summarised on the CRU microgeneration page. In day-to-day terms, you use your own solar power on-site when it’s available, and any surplus export is credited separately on your bill.
Do I need a smart meter to get paid for solar export in Ireland?
A smart meter is typically the cleanest way to measure export accurately, because it can record both import and export on a half-hourly basis. ESB Networks notes export and meter-reading realities in its microgenerator support information, including situations where export readings may not be captured as expected, on its connect a micro-generator page. Your supplier will also have requirements for setting up export payments, so it’s worth confirming your meter status and export registration before assuming credits will appear.
How is exported solar electricity shown on an Irish electricity bill?
Export is generally shown as a separate line item or credit, rather than reducing the import units directly. The exact display varies by supplier, but it is built on export readings and supplier billing processes that rely on the meter and connection set-up referenced by ESB Networks in its micro-generator connection guidance. That separate treatment is why monitoring that distinguishes import, generation, and export can save you a lot of head-scratching when reconciling performance with the bill.
Is the export rate the same as the import rate in Ireland?
Usually not. Under Ireland’s CEG model, export is credited at your supplier’s export tariff, while imports are charged at your consumption tariff, which includes unit rates and other bill components. Citizens Information flags that CEG payments depend on your energy provider in its micro-generation overview, which is the key reason many sites focus on increasing self-consumption rather than relying on export alone.
Start Tracking Solar Import and Export Properly
When you’re sizing up solar, the difference between self-consumption and export credit is where the real money gets won or lost. Make it easy on yourself by setting up accurate bi-directional monitoring so you can see, in simple numbers, what you’re using on-site and what you’re sending back to the grid.
What is Microgeneration in Ireland and What Technologies Qualify?
Microgeneration in Ireland means producing your own electricity on-site from small-scale renewables and using it in your home first. The Government of Ireland defines micro-generation as electricity generation from renewable technologies including solar photovoltaic (PV), micro-wind, micro-hydro and micro-renewable combined heat and power (CHP). The useful nuance is that the big win usually comes from self-consumption, because export payments vary by supplier and market conditions.
What technologies count (and why you’d bother)
Ireland’s official definition explicitly covers solar PV, micro-wind, micro-hydro and micro-renewable CHP in its Micro-generation guidance, which matters because it sets expectations for supports and grid connection processes.
The practical benefits (especially for solar net metering discussions)
Once you’re exporting, the same Government guidance notes that the Clean Export Guarantee (CEG) is available to micro and small-scale generators for excess renewable electricity exported to the grid, with CEG rates set by suppliers on a competitive basis. That payment structure is exactly the context you’ll want in mind when you hear people ask whether Ireland has “true” solar net metering, because the real-world outcome depends on how import billing and export credit are actually handled.
How Does the Clean Export Guarantee (CEG) Work in Ireland?
Experts generally agree the CEG is Ireland’s practical alternative to “true” solar net metering, because it pays you for what you export rather than offsetting imports 1:1. The Commission for Regulation of Utilities (CRU) sets the framework suppliers must follow, but your actual export rate and how it appears on your bill can vary by supplier. That variation matters because two homes exporting the same surplus can see different credits depending on the plan they are on, which is why it is worth checking your tariff details before you assume the numbers will stack up.
Eligibility: what you need in place
In Ireland, the CRU explains that your electricity supplier pays you for each metered kWh you export once your microgeneration is registered with ESB Networks and your export is being measured and shared for billing under the microgeneration process described on the CRU microgeneration page. In practical terms, that means the paperwork and metering piece needs to be correct before any export credit can show up consistently, which is where a lot of the real-world confusion tends to start.
Payment: how it shows up
Most people see export as a bill credit from their supplier rather than a cash payout, and the line item name can differ depending on who you buy electricity from. If you are trying to increase self-consumption before worrying about export value, adding a battery can change the maths by storing more of your daytime generation for evening use; this solar battery installation guide helps you think it through, especially if your main goal is reducing imports rather than maximising export credits. Once you understand how your exported units are credited, it becomes much easier to see why Ireland is not set up around “true” net metering.
Sell surplus solar back to the grid in Ireland by getting your microgeneration connection registered (NC6 or NC7), making sure export is properly metered (typically via a smart meter), and confirming your electricity supplier is applying the Clean Export Guarantee (CEG) credit on your bill. Keep the basics tight: your MPRN, installer details, and ESB Networks paperwork have to match, because one wrong digit can leave you exporting for weeks with no credit showing. Once everything is lined up, you can track exports in your meter data and spot billing issues quickly before they become a long back-and-forth.
How to Sell Surplus Solar Electricity Back to the Grid in Ireland?
Confirm you qualify as a microgenerator, then make sure exports are measured so your supplier can pay you under the Clean Export Guarantee (CEG). Submit the correct microgeneration notification to ESB Networks (usually via your installer), and check your bills and export data to confirm the credit is being applied. Before you chase rates, double-check your installer paperwork is accurate, because one wrong MPRN digit can stall everything and leave you doing free exports.
1. Confirm you qualify as a microgenerator
Start by checking your system is connected and compliant, because export payments only apply once your microgeneration connection is correctly notified and processed.
In Ireland, that usually means your installer submits an NC6 or NC7 notification to ESB Networks, depending on your system size, as outlined by the CRU microgeneration process. Once that’s in motion, the practical question becomes whether your setup can actually record what you send back out.
2. Make sure you can measure exports (smart meter)
Ensure a smart meter is installed and working, since suppliers use it to calculate what you exported versus what you used on-site.
CRU notes that exported and imported electricity is recorded by your smart meter in half-hour intervals for payment purposes under the CEG framework (CRU microgeneration). Once export metering is in place, getting the admin right is what turns those readings into actual credits.
3. Submit the grid and supplier paperwork
Send the ESB Networks microgeneration form plus your MPRN and any supplier details your provider requests; under the CRU microgeneration rules, suppliers must pay you for every metered unit (kWh) you export once your microgeneration notification has been processed.
One key detail that trips people up is duplication. CRU states that if you have a smart meter and your NC6 or NC7 has been processed by ESB Networks, your supplier is already aware and you do not need to contact them directly (CRU microgeneration). In real life, some suppliers still have their own onboarding steps for showing the export line clearly on the bill, so it pays to keep your account details tidy and consistent, especially if you switch supplier.
With that done, the only thing left is to make sure the numbers on the bill match what you actually exported.
4. Verify payment on your bill and keep records
Compare your export readings and credits each billing cycle and keep invoices and emails, so you can fix mismatches quickly.
CRU explains that export payment is usually shown as a credit on your electricity bill, and bills may show the billing period, exported kWh, and the €/kWh rate paid (CRU microgeneration). If anything looks off, having your MPRN, your ESB Networks confirmation, and screenshots or downloads of your smart meter export data makes it much easier to get the issue resolved without endless call-backs.
That clarity is also what helps you make sensible decisions about self-consumption versus export.
Frequently Asked Questions About Selling Surplus Solar Electricity Back to the Grid in Ireland
Do I need a smart meter to get paid for exported solar electricity?
A smart meter is the standard way export is measured for payment, because it records imported and exported electricity in half-hour intervals and generates the metered export data suppliers use for CEG credits (CRU microgeneration). If you do not have one yet, export payment can be delayed or handled differently depending on metering arrangements, so it is worth confirming your meter type and status with your supplier and ESB Networks.
What forms do I need to submit for microgeneration in Ireland?
Microgeneration notification to ESB Networks is typically done using an NC6 or NC7 form, and this is normally submitted by your registered installer as part of the connection process (CRU microgeneration). NC6 generally applies to smaller systems (up to 6kW single-phase or 11kW three-phase), with NC7 used for larger microgeneration systems up to 50kW, so the exact form depends on your premises supply and system size.
Who pays me for the electricity I export to the grid?
Your electricity supplier pays you for every metered unit (kWh) you export under the Clean Export Guarantee, once your microgeneration notification has been processed and export is being measured correctly (CRU microgeneration). In most cases, the payment appears as a credit on your standard bill, though some suppliers may issue a separate statement for microgeneration export.
Do I need to contact my electricity supplier after my solar installation?
If you have a smart meter and your NC6 or NC7 has been processed by ESB Networks, CRU states your supplier will already be aware of your microgeneration system and you do not need to contact them directly (CRU microgeneration). That said, if your bill does not show export credit after a reasonable billing cycle, contacting the supplier with your MPRN and confirmation details is a practical way to prompt a check.
Where should the Clean Export Guarantee payment show up?
CRU explains it typically shows as a credit on your electricity bill, with export kWh and the €/kWh rate often visible, depending on how your supplier formats the statement (CRU microgeneration). If you cannot see it, compare your billing period to your meter data and confirm that export readings are being pulled correctly for that same period.
How much can you earn from exporting solar power in Ireland?
When you export unused solar to the grid, you earn money per kilowatt-hour (kWh) exported, usually as a credit on your electricity bill. Ireland’s energy regulator (the CRU) is clear that your electricity supplier pays you for every metered unit of electricity (kWh) you export over the duration of your billing cycle, and the export payment usually shows as a bill credit (though some suppliers issue a separate statement). You can read CRU’s explanation of the payment process here: Microgeneration (CRU).
The catch is timing. Your export earnings only show up once your export is being measured properly, typically through smart meter export reads, so the first bill or two can look underwhelming even if your panels are performing well.
What € per kWh looks like in practice
The key number is your supplier’s Clean Export Guarantee (CEG) rate (€/kWh), because your yearly export income is simply exported kWh × that rate. The CRU also notes that, where microgeneration details are included on your bill, you should be able to see the billing period, the number of exported kWh you’re being paid for, and the rate (€/kWh) paid for each exported unit: CRU guidance on bill information.
If your system exports 1,000 kWh in a year and your rate is €0.20/kWh, that’s €200; if you only export 300 kWh, it’s €60. That gap is why it often pays to look beyond the headline rate and pay attention to how much of your solar you can use on-site, especially when your daytime demand is predictable.
Smart Meter Requirement and Its Impact on Export Payments
You need a smart meter because export payments rely on metered export, not estimates. In Ireland, the CRU’s microgeneration process is built around half-hourly import and export data from a smart meter, which is how suppliers can calculate and apply a credit for electricity you export to the grid. Even if your solar panels are generating plenty of power, you cannot validate the export portion without the right meter data, so the export credit cannot be calculated accurately. Refusing a smart meter can leave your export unpaid until you allow one to be installed, which can be a frustrating gap if you are expecting a regular bill credit.
Why smart meters unlock export payments
Your supplier pays you per kWh exported, and the CRU notes that export and import are recorded in every half-hour interval by a smart meter, with that data used to generate billing for both exported and imported electricity on its microgeneration information page. That half-hourly reading is what turns “I think I exported X” into “the meter shows you exported Y”, which is what suppliers need for a clean, auditable credit on your bill. Once export is being measured properly, it becomes much easier to see the value of the electricity you are not using on site.
What refusal means in practice
Refusal usually means there are no verified export readings available for billing, so your supplier may not apply export credits until the smart meter is in place, even if you are monitoring generation yourself. An inverter app or a separate meter can be useful for managing your own usage patterns, and something like an energy meter for import/export monitoring can help you track what is happening behind the scenes, but it does not replace the supplier-facing export data stream needed for payment. That difference between “useful internal monitoring” and “official metering for billing” is where a lot of confusion tends to start.
Role of ESB Networks and the NC6 Form in Export Payments
ESB Networks is Ireland’s Distribution System Operator (DSO), and it is the body that records your microgeneration connection so exported solar can be recognised on the grid. The NC6 form is the “inform and fit” notification that confirms your system details and ties them to your MPRN for export arrangements with your supplier. The key detail is that ESB Networks does not pay you directly; they process the notification and inform your electricity supplier, and your supplier applies any export credit on your bill.
ESB Networks: the gatekeeper for registering your export
This matters because suppliers cannot set up export payments properly unless the network operator has your installation logged. ESB Networks outlines the connection steps on its micro-generation connection process, and it also makes clear that export payments are handled through your supplier rather than ESB Networks, which is why your billing account details matter as much as the install itself.
NC6: what it does (and what it doesn’t)
This matters because NC6 is the trigger that allows ESB Networks to notify your supplier that microgeneration has been installed. The CRU’s microgeneration information sets out the flow: your installer submits the NC6 (or NC7 where applicable), ESB Networks processes it and informs your supplier, then your supplier pays you for metered exports, typically shown as a credit on your electricity bill. That practical handoff is what turns “exporting to the grid” into an actual payment line item.
Do I need a smart meter to get paid for my exported solar electricity?
In most cases, yes. A smart meter records the electricity you export so your supplier can pay you accurately under the Clean Export Guarantee.
If you do not have a smart meter, some suppliers may still facilitate payment using a temporary deemed export approach, but eligibility can be affected if you refuse or delay a smart meter upgrade, as set out in the CRU Interim Clean Export Guarantee Decision Paper (CRU/21/131, 1 December 2021)CRU decision paper.
Are feed-in tariffs / export payments in Ireland worth it compared to self-consuming my solar power?
They can be worth it, but export payments are usually the bonus, not the main event. Self-consuming your solar typically delivers the biggest savings because every unit you use on site reduces what you need to buy from the grid.
Export payments still matter when your building is quiet during sunny hours or when your system is sized to cover high daytime loads but produces occasional surplus. The best outcome is usually a balanced setup where you maximise on-site use and still get paid for the excess you cannot realistically use.
What is the Clean Export Guarantee (CEG)?
The Clean Export Guarantee (CEG) is the payment you receive from your electricity supplier for renewable electricity you export to the grid from a microgeneration system such as solar PV.
In Ireland it is supplier-led, meaning your payment rate and how it shows up on your bill depends on the supplier and the tariff you choose, with oversight and guidance provided through the microgeneration frameworkCRU microgeneration information.
How do I choose the best energy supplier / tariff for my solar export payments?
Focus on the whole bill, not just the export headline rate. A tariff that pays well for export can still cost more overall if the import unit rate, standing charge, or contract terms do not suit your usage.
A quick checklist that works well for Irish microgenerators:
Export payment details: what rate is paid per kWh exported, whether it is fixed or variable, and how often it can change.
Import costs: unit rate and standing charge, especially if your site still relies on grid power in the evenings.
Metering and billing: whether export is measured by smart meter reads or any interim calculation method, and how clearly export credits appear on invoices.
Contract terms: duration, exit fees, and any requirements around smart meters or data permissions.
If you can, compare tariffs using a recent bill and a realistic estimate of how much solar you will use on site versus export, because the split drives the outcome.
Is it still worthwhile to install solar PV in Ireland without a battery?
Yes, it can be. A battery mainly helps you use more of your own solar later in the day, but a well-sized PV system can still cut daytime import significantly without one.
If your premises has steady daytime demand, like office loads, solar without a battery can be a strong fit because you are consuming generation as it happens. Export payments help mop up any surplus, and you can keep the option open to add storage later if your operating hours, tariffs, or usage patterns change.