Business Energy vs Household Energy
At first glance, business energy and household energy may seem similar. However, they work quite differently in the UK because prices, contracts, taxes, and customer protections are not the same. As a result, choosing the right type of energy matters.
In this guide, we explain the main differences and look at pricing, contracts, VAT, and what happens if you run a small business from home.
Key Differences at a Glance
| Feature | Household Energy | Business Energy |
|---|---|---|
| Regulation | Strong protection | Limited protection |
| Pricing | Standard tariffs | Bespoke quotes |
| Contracts | Short and flexible | Longer and binding |
| Cooling-off period | 14 days | Often none |
| VAT | 5% | Usually 20% |
| Meter types | Domestic meters | Commercial / half-hourly meters |
1. Regulation and Customer Protection
Household customers get strong protections because suppliers must follow strict rules and show prices clearly. In addition, customers receive a 14-day cooling-off period when they switch.
Business customers, however, get fewer protections. Once you agree to a contract, it usually becomes binding straight away, and many suppliers do not offer a cooling-off period. Because of this, you should check the terms carefully before signing.
2. Pricing
Household Energy
Household pricing is usually simple, so comparing deals is easier. Most customers choose between:
- Fixed-rate tariffs
- Variable tariffs
There is also a default price cap for standard tariffs. Because suppliers publish prices openly, you can compare deals quickly.
Business Energy
Business pricing works very differently. Instead of using standard tariffs, suppliers give quotes based on factors such as:
- Energy usage
- Meter type
- Location
- Contract length
As a result, two similar businesses may still pay very different prices.
3. Contracts
Household contracts are usually more flexible and often:
- Last 12–24 months
- Allow easy switching at the end
- Move onto flexible tariffs if you take no action
Business contracts, on the other hand, are often stricter and may:
- Last 1–5 years
- Become legally binding once agreed
- Include strict renewal deadlines
If you miss a renewal deadline, you may end up paying higher rates.
4. Cooling-Off Period and Risk
When you switch household energy, you always get time to change your mind, which reduces risk.
Business contracts work differently. For example:
- Suppliers often do not offer a cooling-off period
- Verbal agreements may still count
- Leaving early may trigger exit fees
Because of this, business energy often carries more risk.
5. Meters and Energy Measurement
Most homes use:
- Standard domestic meters
- Smart meters
Businesses may use:
- Commercial meters
- Multi-rate meters
- Half-hourly meters
Half-hourly meters record usage every 30 minutes. This gives suppliers a clearer picture of when energy is used, so businesses with heavy peak usage often pay different rates.
What Is kVA?
Some businesses also need to think about kVA (kilovolt-amps).
While kWh measures how much electricity you use over time, kVA measures the highest amount of electricity your site draws at one moment.
This matters if your business runs several high-powered devices at the same time. If demand goes above the agreed limit, suppliers may charge extra or require a capacity upgrade.
6. VAT and Other Charges
Household energy has a reduced 5% VAT rate.
Business energy, meanwhile, usually includes:
- 20% VAT
- Climate Change Levy (CCL), unless exempt
Although some small businesses qualify for lower VAT, suppliers do not apply this automatically.
7. Billing and Payments
Household bills are usually simple, and most people pay monthly by Direct Debit.
Business billing can be more complex because:
- Bills may arrive monthly or quarterly
- Charges may rise or fall with usage
- Payment terms are often stricter
If you pay late, suppliers may add penalties.
8. Switching Supplier
Switching household energy is usually simple and low risk.
Switching business energy takes more planning because you need to check:
- Contract end dates
- Notice periods
- Exit fees
Therefore, many businesses start comparing deals 3–6 months before renewal.
9. Who Needs Business Energy?
You usually need business energy if you are:
- A limited company
- A sole trader with business premises
- A landlord supplying energy to tenants
- A charity or public-sector organisation
Even very small businesses should check which tariff applies.
10. Running a Business from Home
If you work from home, you may still use household energy.
This often applies when:
- Your home is mainly for living
- Energy use stays similar to a normal household
- You do not use heavy equipment
For example, many freelancers and home-office workers stay on household tariffs.
However, you may need business energy if:
- You use a large area only for work
- Staff work from the property
- Energy use is much higher than normal
Because supplier rules vary, it is best to check before switching.
Key Points to Remember
- Business energy is more complex than household energy
- Customer protections are more limited
- Contracts are longer and harder to exit
- VAT and extra charges are usually higher
- Some home-based businesses can stay on household tariffs
By understanding these differences, you can avoid costly mistakes and choose the right energy contract.