Bolt range
Bolt 460W |
Bolt Plus 460W | 
Bolt 920W |
Bolt Plus 920W | |
|---|---|---|---|---|
| Panel capacity | 460 Wp | 460 Wp | 920 Wp | 920 Wp |
| Panels | 1 × 460W rigid | 1 × 460W rigid | 2 × 460W rigid | 2 × 460W rigid |
| Panel weight | 21 kg | 21 kg | 21 kg each | 21 kg each |
| Vault 1.92 kWh battery | ||||
| Mounting | Ground, wall, flat roof | Ground, wall, flat roof | Ground, wall, flat roof | Ground, wall, flat roof |
| Best for | Garden, shed, flat roof | Garden plus evening use | Garden, flat roof | Garden plus evening use |
| ENA register | Listed · THUNE/21203/V1 | Listed · THUNE/21203/V1 | Listed · THUNE/21204/V1 | Listed · THUNE/21204/V1 |
| Year 1 generation | 516 kWh | 516 kWh | 1,012 kWh | 1,012 kWh |
| Used at home, year 1 | 499 kWh | 516 kWh | 741 kWh | 911 kWh |
| Year 1 savings | £130 | £289 | £193 | £373 |
| 20-year savings | £3,345 | £7,597 | £4,965 | £9,731 |
| Smart app monitoring | ||||
| Price | £549.99 | Kit + Vault, save £50 | £749.99 | Kit + Vault, save £50 |
Storm range
Storm 360W |
Storm Plus 360W | 
Storm 710W |
Storm Plus 710W | |
|---|---|---|---|---|
| Panel capacity | 360 Wp | 360 Wp | 710 Wp | 710 Wp |
| Panels | 2 × 178W flexible | 2 × 178W flexible | 4 × 178W flexible | 4 × 178W flexible |
| Panel weight | 3.5 kg each | 3.5 kg each | 3.5 kg each | 3.5 kg each |
| Vault 1.92 kWh battery | ||||
| Mounting | Railing, fence, wall | Railing, fence, wall | Railing, fence, façade | Railing, fence, façade |
| Best for | Balcony rail | Balcony plus evening use | Fence & façade | Fence plus evening use |
| ENA register | See product page | See product page | See product page | See product page |
| Year 1 generation | 260 kWh | 260 kWh | 525 kWh | 525 kWh |
| 20-year savings | Projection coming soon | Projection coming soon | Projection coming soon | Projection coming soon |
| Smart app monitoring | ||||
| Price | £499.99 | Kit + Vault, save £50 | £699.99 | Kit + Vault, save £50 |
How the kits perform
Every figure comes from each kit's 20-year projection. Pick what matters to you and the kits re-rank.
- Bolt 460W £130
- Bolt Plus 460W £289
- Bolt 920W £193
- Bolt Plus 920W £373
- Storm Plus 710W £298
Year 1 figures from each kit's projection: Bolt at a 40° tilt facing south, Storm mounted vertically, both in London. Battery kits assume a smart time-of-use tariff. Storm 360W and Storm 710W will appear here once their projections are published.
What the Storm kits can power
Pick a Storm kit to see which everyday appliances its yearly solar output could cover when mounted vertically on a balcony rail or fence.
Storm 360W generates about 260 kWh in its first year mounted vertically on a balcony rail or fence. That's enough to cover all of this:
-
LED TV
3 hours a day
1,095 hours a year
About 66 kWh
-
Washing machine
1 wash a week
52 washes a year
About 36 kWh
-
Dishwasher
1 cycle a week
52 cycles a year
About 52 kWh
-
Laptop
4 hours a day
1,460 hours a year
About 44 kWh
-
Kettle
1 boil a day
365 boils a year
About 37 kWh
-
LED bulb
4 hours a day
1,460 hours a year
About 13 kWh
-
Phone
1 charge a day
365 charges a year
About 5 kWh
Storm 710W generates about 525 kWh in its first year mounted vertically on a balcony rail or fence. That's enough to cover all of this:
-
Fridge freezer
Running 24/7
365 days a year
About 139 kWh
-
LED TV
4 hours a day
1,460 hours a year
About 88 kWh
-
Washing machine
2 washes a week
104 washes a year
About 73 kWh
-
Dishwasher
1 cycle a week
52 cycles a year
About 52 kWh
-
Electric oven
1 hour a week
52 hours a year
About 52 kWh
-
Laptop
5 hours a day
1,825 hours a year
About 55 kWh
-
Kettle
1 boil a day
365 boils a year
About 37 kWh
-
LED bulb
5 hours a day
1,825 hours a year
About 16 kWh
-
Phone
1 charge a day
365 charges a year
About 5 kWh
Estimates based on typical UK appliance use and each kit's year 1 generation when mounted vertically in London. Results depend on location, orientation and shading.
What the Bolt kits can power, and what they save
Pick a Bolt kit to see what it could save you over 20 years and which everyday appliances its solar could cover.
Your 20-year return
Over 20 years, Bolt 460W could save you up to £3,345 in electricity costs.
- £130saved in year 1
- Year 5savings pass the kit price
Add the battery with Bolt Plus 460W and the 20-year figure rises to £7,597.
See the full 20-year projection (PDF)Bolt 460W generates about 516 kWh in its first year at a 40° tilt facing south, and around 499 kWh of that is used in your home. That's enough to cover all of this:
-
Fridge freezer
Running 24/7
365 days a year
About 139 kWh
-
LED TV
4 hours a day
1,460 hours a year
About 88 kWh
-
Washing machine
2 washes a week
104 washes a year
About 73 kWh
-
Dishwasher
1 cycle a week
52 cycles a year
About 52 kWh
-
Electric oven
1 hour a week
52 hours a year
About 52 kWh
-
Laptop
3 hours a day
1,095 hours a year
About 33 kWh
-
Kettle
1 boil a day
365 boils a year
About 37 kWh
-
LED bulb
4 hours a day
1,460 hours a year
About 13 kWh
-
Phone
1 charge a day
365 charges a year
About 5 kWh
Your 20-year return
Over 20 years, Bolt Plus 460W could save you up to £7,597 in electricity costs.
- £289saved in year 1
- Year 6savings pass the kit price
- £3,603of it from the battery
That's £4,252 more than Bolt 460W without a battery.
See the full 20-year projection (PDF)Bolt Plus 460W generates about 516 kWh in its first year at a 40° tilt facing south. With the battery taking any surplus, all of it is used in your home. That's enough to cover all of this:
-
Fridge freezer
Running 24/7
365 days a year
About 139 kWh
-
LED TV
4 hours a day
1,460 hours a year
About 88 kWh
-
Washing machine
2 washes a week
104 washes a year
About 73 kWh
-
Dishwasher
1 cycle a week
52 cycles a year
About 52 kWh
-
Electric oven
1 hour a week
52 hours a year
About 52 kWh
-
Laptop
5 hours a day
1,825 hours a year
About 55 kWh
-
Kettle
1 boil a day
365 boils a year
About 37 kWh
-
LED bulb
4 hours a day
1,460 hours a year
About 13 kWh
-
Phone
1 charge a day
365 charges a year
About 5 kWh
Your 20-year return
Over 20 years, Bolt 920W could save you up to £4,965 in electricity costs.
- £193saved in year 1
- Year 4savings pass the kit price
Add the battery with Bolt Plus 920W and the 20-year figure rises to £9,731.
See the full 20-year projection (PDF)Bolt 920W generates about 1,012 kWh in its first year at a 40° tilt facing south. Around 741 kWh of that is used in your home, because on sunny summer middays the panels make more than most homes need. That's enough to cover all of this:
-
Fridge freezer
Running 24/7
365 days a year
About 139 kWh
-
LED TV
4 hours a day
1,460 hours a year
About 88 kWh
-
Washing machine
2 washes a week
104 washes a year
About 73 kWh
-
Dishwasher
2 cycles a week
104 cycles a year
About 104 kWh
-
Electric oven
1 hour a week
52 hours a year
About 52 kWh
-
Laptop
8 hours a day
2,920 hours a year
About 88 kWh
-
Kettle
2 boils a day
730 boils a year
About 73 kWh
-
LED bulb
5 hours a day
1,825 hours a year
About 16 kWh
-
Wi-Fi router
Running 24/7
365 days a year
About 88 kWh
-
Phone
1 charge a day
365 charges a year
About 5 kWh
Your 20-year return
Over 20 years, Bolt Plus 920W could save you up to £9,731 in electricity costs.
- £373saved in year 1
- Year 5savings pass the kit price
- £2,692of it from the battery
That's £4,766 more than Bolt 920W without a battery.
See the full 20-year projection (PDF)Bolt Plus 920W generates about 1,012 kWh in its first year at a 40° tilt facing south. The battery stores the midday surplus, so around 911 kWh of that is used in your home. That's enough to cover all of this:
-
Fridge freezer
Running 24/7
365 days a year
About 139 kWh
-
LED TV
4 hours a day
1,460 hours a year
About 88 kWh
-
Washing machine
4 washes a week
208 washes a year
About 146 kWh
-
Dishwasher
3 cycles a week
156 cycles a year
About 156 kWh
-
Electric oven
2 hours a week
104 hours a year
About 104 kWh
-
Laptop
8 hours a day
2,920 hours a year
About 88 kWh
-
Kettle
2 boils a day
730 boils a year
About 73 kWh
-
LED bulb
5 hours a day
1,825 hours a year
About 16 kWh
-
Wi-Fi router
Running 24/7
365 days a year
About 88 kWh
-
Phone
1 charge a day
365 charges a year
About 5 kWh
Figures from each kit's 20-year projection at a 40° tilt facing south in London, with appliance estimates based on typical UK use. Battery savings assume a smart time-of-use tariff. Payback uses the current kit price. Results depend on location, orientation, shading and your tariff.
How much could you save?
Enter your postcode and pick a kit. We'll estimate how much it would generate and what that's worth on your bill.
Step 1: Enter details
Want to talk through your solar setup with our products team?
Book a callStep 2: Calculate potential savings
Complete Step 1 and your estimate will appear here.
Energy production
kWh / year
Potential savings
£ / year
Monthly production (kWh)
*Calculations are based on official solar radiation data from the European Commission's PVGIS database.
**Estimated production accounts for a 14% system loss and assumes a vertical panel angle (90° inclination).
