Smart Export Guarantee for Businesses | Getting Paid for Surplus Solar Energy
If your business installs solar PV, you may generate more electricity than you use at certain times.
The Smart Export Guarantee (SEG) allows you to get paid for that excess energy by exporting it back to the grid.
What Is the Smart Export Guarantee (SEG)?
The Smart Export Guarantee requires licensed UK energy suppliers to pay for electricity exported from small-scale renewable systems.
For commercial installations, this means:
- You can export unused solar energy
- You receive payment for each unit (kWh) exported
- You can choose from a range of supplier tariffs
Rates vary depending on the supplier and tariff structure, so it’s worth reviewing options carefully.
How SEG Fits into a Commercial Solar Strategy
For most businesses, the primary financial benefit of solar comes from using the energy on site.
SEG then provides a way to generate additional income from any surplus energy your system produces.
When Exporting Makes Sense
Export payments become particularly valuable when your system regularly produces more energy than your business can use.
This can happen:
- Outside working hours
- At weekends
- During seasonal downtime
For example, in agricultural settings, equipment such as grain dryers may only be used during certain times of the year. Outside of these periods, a solar system may generate significant surplus energy, making SEG an important and worthwhile income stream.
Flat Rates vs Variable Tariffs
SEG tariffs vary between suppliers and generally fall into two categories:
- Fixed rates — simple and predictable
- Variable rates — linked to wholesale energy prices
The right option depends on whether you prioritise certainty or are willing to track market rates.
The Role of Battery Storage
Battery storage can help reduce the amount of energy you export by storing it for later use.
This allows you to:
- Increase self-consumption
- Reduce reliance on grid electricity
- Use stored energy when it is most valuable
In some cases, batteries can also be used strategically alongside export tariffs.
A Practical View of SEG for Businesses
SEG can form a meaningful part of the overall return from a commercial solar installation, particularly where export levels are high.
It helps to:
- Capture value from surplus energy
- Improve overall system performance
- Provide an additional income stream
Let Us Help You Get the Balance Right
Every business has a different energy profile.
We can help you:
- Understand how much energy you’re likely to export
- Choose the right tariff
- Design a system that maximises both on-site use and export potential
Get in touch to find out how SEG fits into your commercial solar strategy
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