Skip to main content Skip to footer 
Site it inside the heated envelope
A utility room, a plant cupboard, an integral garage that shares a wall with the house. Cheapest fix, and usually available if we look for it early.
AB43 · Fraserburgh, Broadsea & the Buchan Coast · NICEIC
Battery storage for Fraserburgh homes, where the cheap electricity arrives at the coldest hour.
Battery storage designed and commissioned across Fraserburgh and AB43 by a City and Guilds Level 3 qualified installer. Free survey and a fixed written price. Off peak tariff windows run from about half eleven at night to half five in the morning. That is the coldest six hours of the day. And a lithium battery cannot take a full charge when it is cold, which is why the manufacturers publish one temperature range for charging and a much wider one for discharging. On this coast there are roughly forty nine nights of air frost a year.
Why This Page Opens With A Temperature
A battery is a chemical device, and chemistry slows down in the cold.
The whole financial case for a home battery in Fraserburgh rests on one move: buy electricity overnight at around 8p, use it through the day instead of paying around 30p. Everything else is detail. And the overnight window that makes it work, roughly 11:30pm to 5:30am, is by definition the coldest stretch of the twenty four hours.
Meanwhile the battery itself has a hard limit. Lithium iron phosphate cells, which is what every reputable domestic battery uses, cannot accept a full charge current when they are cold. Push charge into a cell below freezing and you get lithium plating on the anode, which is permanent, cumulative capacity loss rather than a temporary dip. So the manufacturers protect against it. They publish a narrow charge window and a much wider discharge window, and the battery management system enforces the difference.
Now put those two facts side by side in a granite outbuilding on the Moray Firth coast in January, and you have a question worth asking before you spend four thousand pounds: is the battery actually going to be able to take the cheap electricity on the nights you most want it to?
The honest answer is usually yes, with caveats, and the caveats are entirely manageable if somebody thinks about them at survey. They are not manageable at all if nobody mentions them until the second winter.
Source, the weather figures
Met Office location specific long term averages for Aberdeen Dyce, 1991 to 2020. The Met Office publishes no location specific average for Fraserburgh itself, so this is the nearest official station and we name it rather than implying it is the town's own figure. Coastal Buchan generally runs a touch milder than inland Aberdeenshire.
Source, the temperature windows
Fox ESS and SolaX published documentation. We check the published charge and discharge window for whatever specific unit is proposed for your house, and we tell you what it says. If an installer cannot produce that page of the datasheet, ask why not.
Battery systems designed, installed and commissioned by Steven Watt, who holds the City and Guilds Level 3 Award in the Design, Installation and Commissioning of Small Electrical Energy Storage Systems (610/4840/9), awarded April 2026. NICEIC Approved Contractor, enrolment 620239.
How Cold It Actually Gets
Forty nine nights a year, and thirty of them in three months.
These are Met Office long term averages for Aberdeen Dyce, 1991 to 2020, the nearest official station to Fraserburgh with a published record.
Nights of air frost by month
48.81Nights of air frost a year
0.89°CDecember mean daily minimum
0.97°CJanuary mean daily minimum
1.09°CFebruary mean daily minimum
Charge Against Discharge
Every battery will give you power when it is cold. Taking it is the harder half.
This is the one comparison worth putting in front of you before anything else, because it is the difference the manufacturers publish and almost nobody repeats.
Taking charge in
The charge window
0°C to +55°C
Fox ESS publish this range for charging. Below it, charge current is derated rather than blocked, which the manufacturer describes as a deliberate protective measure against lithium plating. Push further outside the operating range and the unit enters a dormant hibernation state and remains idle until the temperature falls within the operating range.
SolaX are blunter about it. Their Triple Power documentation states the cells can only be discharged, and cannot be charged, when cell temperature sits between -20°C and 0°C. General LFP chemistry puts the optimal charge window at +5°C to +45°C.
Giving power out at
The discharge window
-10°C to +55°C
The same Fox ESS pack will still give power a full ten degrees below the point at which it will accept any. That is the asymmetry the whole page turns on: discharge is permitted far lower than charge.
There is a discharge protection too, which surprises people. Once cell temperature drops below 3°C and state of charge falls under 60%, discharge is prohibited until the temperature reaches 5°C or the charge reaches 65%. In other words a cold, half empty battery can decline to do anything at all for a while. Below 3°C the battery management system will also use small amounts of PV or grid energy to maintain a healthy state of charge.
Four names, and one question to ask about every one of them
We install SolarEdge, Fox ESS, Alpha ESS and SolaX. All lithium iron phosphate, all with proper UK support behind them, and the choice between them comes out of your house rather than out of whatever we happen to have in the van.
The question, on this coast, is the charge window. Not the capacity, not the warranty, not the app. Ask what temperature range the specific unit will accept charge across, and whether it has internal heating. Fox ESS are clear that heated variants regulate their own internal temperature, so the cold weather measures would not apply to batteries with internal heating. We will pull up the datasheet for whatever unit is proposed for your house and read it with you.
AC coupled or DC coupled. If you already have solar with a working inverter, an AC coupled battery bolts on alongside it without touching the array. Fitting both together, or replacing an inverter that is due anyway, favours a DC coupled hybrid because it avoids a conversion step. That fork changes which brand makes sense.
Modularity. SolaX Triple Power builds in 5.8kWh blocks with a 10 year warranty and SolaX Cloud monitoring. Fox ESS builds in 3.96kWh blocks, typically 10 years on the EQ and EP ranges and 12 on the newer CQ6, with round trip efficiency in the 95% to 98% region. That granularity matters when your meter data says eleven kilowatt hours rather than ten or fifteen.
5.8kWhSolaX Triple Power module, 10 year warranty
3.96kWhFox ESS module, 10 to 12 year warranty
95% to 98%Fox ESS round trip efficiency
LFPChemistry across all four brands
What To Actually Do About It
Four ways to deal with the cold, in the order we usually try them.
Realistically, on roughly forty nine nights a year the air outside is below freezing, and about thirty of those fall in December, January and February. A battery in a heated utility room never notices. One bolted to the wall of an unheated stone garage tracks the outside air with a lag, so on the coldest nights it will be sitting at or below its charge threshold at exactly the hours the cheap rate is running.
Specify a unit with internal heating
Heated variants regulate their own internal temperature, and the cold weather derating simply does not apply to them. Costs more up front and uses a little energy to do it.
Insulate and enclose
An insulated enclosure on an otherwise cold wall, sited away from draughts and away from the door, buys several degrees for very little money.
Accept it, knowingly
Sometimes the only compliant spot is a cold one and the loss is small. That is a legitimate choice, as long as it is a choice you made rather than a surprise you got.
It will not destroy the battery. The protections exist precisely so that it does not. What it will do is quietly cost you some of the cheap charge on the coldest nights of the year, which are also the nights your heating is working hardest and your bill is biggest. That is a real and avoidable loss, and it is entirely a siting and specification decision made months earlier. The manufacturer's own guidance is to site batteries in an environment where there is no prolonged exposure to extreme cold outside of the operating ranges. That sentence is doing a lot of work, and almost nobody reads it out loud to a customer.
Where It Can Physically Go
Temperature narrows your options. Fire safety narrows them again.
The warm spots in a house are often exactly the spots the safety guidance rules out. Working out where those two constraints overlap is most of the survey.
- PAS 63100:2024
The fire specification, and what it rules out
Published 19 March 2024, developed by BSI and sponsored by the UK government, covering protection against fire of battery energy storage systems in dwellings. Not a British Standard and not law, but the reference everyone competent works to.
Its location rules are what bite. A battery should not go in a room intended for sleeping, and should not go on a means of escape that is not a protected escape route, which rules out most landings, staircases and hallways in an ordinary house. It sets specific provisions for loft spaces too, which is where a lot of people assume it will end up.
- 20kWh cap
PAS 63100 clause 6.1.3, stored energy per enclosure
PAS 63100 clause 6.1.3 caps stored energy at 20kWh per enclosure. On a domestic job that ceiling is rarely the binding constraint, because most Fraserburgh households land somewhere between 10kWh and 15kWh. It becomes live on larger properties and on anything approaching commercial scale, where the answer is more than one enclosure rather than one very large box.
- IET Code of Practice
Electrical Energy Storage Systems, third edition
Covering design, installation, commissioning, operation and maintenance of an EESS. It requires installation in accordance with BS 7671, and sets standards specific to the chemistry in front of you.
The MCS installation standard for storage points at this Code of Practice, and the Code of Practice recommends PAS 63100 be considered. So the certification route and the fire guidance are joined up, and an installer working properly to one is working to all of it.
- The overlap
What actually survives in a Fraserburgh house
Rule out bedrooms, escape routes and unprotected hallways on fire grounds. Rule out the coldest outbuildings on temperature grounds. What tends to survive is an integral or attached garage, a utility room, a plant cupboard, or a porch, on a wall with clearance around it, away from a heat source and reachable for maintenance.
On the tight grid streets of the town centre, and on the older Broadsea cottages, that spot is not always obvious and occasionally does not exist at all. It is far better to establish that at survey than after a deposit, and if your house genuinely has nowhere sensible we will say so rather than fit it somewhere marginal.
- Tenements & listings
If you are in a tenement or a listed building
The Shore has three storey tenements, and Fraserburgh parish carries 128 listed buildings, three of them Category A, with around thirty five listings on Broadsea's Main Street alone. Under the Tenements (Scotland) Act 2004 common parts including the roof are owned in common, so anything touching them needs your co owners on board.
A battery inside your own flat is a different matter from a roof array, and is usually much simpler. It is the cabling routes and any common parts that need the conversation. Our Fraserburgh solar page goes through the tenement and listed building position in more detail.
Who Is Doing The Work
The qualification for this specific job, and the certificate to go with it.
Storage is its own discipline with its own Level 3 award. It is the one that matters on this page, rather than a general electrical ticket.
Held by Steven Watt
- City and Guilds Level 3 Award in the Design, Installation and Commissioning of Small Electrical Energy Storage Systems (610/4840/9), awarded April 2026
- City and Guilds Level 3 Award in the Installation and Maintenance of Small Solar Photovoltaic Systems (610/4841/0), awarded April 2026
- City and Guilds 2391-52, inspection and testing
- HNC Engineering Systems
- NICEIC Approved Contractor, enrolment 620239
- OZEV Authorised Installer
That first qualification is the reason this page opens with charge windows and air frost counts rather than payback slogans. Design, installation and commissioning of small electrical energy storage systems is a distinct award, and knowing what a battery management system does at 2°C is squarely inside it.
Anyone can claim qualifications. We will show you the certificates. Click either image to view the original document.
MCS, and exactly how it works here
Every installation we complete is fully MCS registered through our Q-Smart partnership. Q-Smart is a Competent Person Scheme. Faithful Spark Electricians carries out the installation and Q-Smart issues the MCS certificate, so your system qualifies for the Smart Export Guarantee.
On a battery only installation there is nothing being exported, so SEG is not the point today. It becomes the point the day you add panels, and it is worth having the paperwork done properly from the start rather than retrofitting a certificate later.
Scottish Rules, Not English Ones
Grid approval, wiring regulations and what does not apply in Aberdeenshire.
Storage sits under more current regulation than almost anything else an electrician fits in a house, and some of it changed this year.
3.68kWG98 notification ceiling per phase. Storage almost always sits above it, so G99 applies.
15 Apr 2026Amendment 4:2026 to BS 7671 published.
15 Oct 2026Mandatory for all new work from this date.
N/APart P in Scotland. There is no Building Control body to notify here.
Grid
G99 approval through SSEN, before anything is energised
Your distribution network operator here is SSEN, Scottish Hydro Electric Power Distribution. Battery storage almost always sits above the 3.68kW per phase threshold that would allow the simpler G98 notification, so a G99 application has to be approved before the system is switched on. Not notified afterwards. Approved first.
We make the application as part of the job. It is worth asking anyone else quoting you who submits it and at what stage, because a system energised without approval is a problem that surfaces later, usually when somebody tries to register it or sell the house.
Wiring regulations
BS 7671, and specifically Amendment 4
The installation is designed, tested and certified to BS 7671, the 18th Edition wiring regulations. The current amendment is A4:2026, published on 15 April 2026 and mandatory for all new work from 15 October 2026.
That is not general trade detail on a battery page, it is directly on point. A4 brings in updated requirements for stationary secondary batteries, which is the formal name for the thing on your wall. A3:2024 had already added Regulation 530.3.201 on selecting devices for bidirectional current flow, which is precisely what a battery creates in a house originally wired to take electricity one way. An installer still quoting A2:2022 as current is two amendments behind on the one topic where it matters most. More on Amendment 4.
Warrant and planning
Building warrant and planning
Fitting a battery inside an existing house is electrical work rather than a structural alteration, so a building warrant is not normally in play, and there is no planning application for a unit on a garage wall. It can come up if the installation involves building work, a new outbuilding to house it, or a property type outside the domestic exemptions. Fraserburgh is Aberdeenshire Council, and planning for AB43 goes through the Banff and Buchan area.
What never goes away, warrant or no warrant, is BS 7671. The installation is tested and certified either way, and you get the certificate.
Does not apply
What does not apply here at all
National guides and templated location pages routinely tell Scottish homeowners about Part P and about notifying Building Control. Neither exists in Scotland. Part P is a section of the Building Regulations for England and Wales. Scotland has Building Standards, administered by the local council, and the mechanism is a building warrant rather than a notification. There is no Building Control body to notify here.
Domestic electrical work in Scotland is carried out to BS 7671 and certified, with the relevant provisions sitting in the Building (Scotland) Regulations. If a page selling you a battery in the Broch cites Part P, it was not written for the Broch.
How The Job Runs
From first call to a battery that is actually cycling.
Usually three to six weeks, most of it the G99 approval and equipment lead time rather than anyone being in your house.
- 01
A conversation
What you spend, who is home during the day, whether there is an EV, whether you already have panels, and crucially where in the house you were imagining it going.
- 02
Your meter data
We ask for a year of half hourly consumption from your supplier. It is the difference between sizing a battery and guessing at one, and it is free to get.
- 03
Free site survey
Compliant locations under the fire guidance, then how cold each one actually gets, ventilation, cable route to the board, whether the consumer unit can take the circuit, and whether an EPS output is practical.
- 04
Written design and fixed price
Capacity, brand, the published charge and discharge window for that exact unit, whether it needs heating or an enclosure, AC or DC coupled, and the modelled saving against your own consumption.
- 05
G99 application to SSEN
Submitted and approved before installation is booked. We handle it and keep you posted on where it is.
- 06
Installation and commissioning
Usually one day for a straightforward retrofit, longer where the board needs replacing or an EPS is being wired. Short isolation while we connect and test, and we tell you when.
- 07
Certification and handover
Full testing and certification to BS 7671, the MCS certificate issued by Q-Smart under our partnership, monitoring app set up, charge windows configured to your tariff, and a walk through of what a normal winter day should look like.
Scope & Cost
Fitted prices, with the VAT position spelled out.
Every figure below is fully installed, tested and certified, with the grid application handled. The final number comes from the survey, in writing.
Most popular
10kWh battery, no solar required
£3,500 to £5,000
Standalone retrofit, or an addition to an existing array. Enough to shift most of a family home's daytime demand into the overnight window.
Larger homes
15kWh battery
£5,000 to £7,000
Higher consumption households, heat pumps, or homes wanting more circuits covered during an outage. Only worth it if you can genuinely cycle it.
With solar
4kWp solar with a 10kWh battery
£10,000 to £12,000
Both together, one scaffold, one electrical job, one grid application. Cheaper than doing them two years apart. See the solar page.
Options and other configurations
| 5kWh to 10kWh retrofit to an existing solar array | £3,500 to £5,000 |
| 4kWp solar, 10kWh battery and a myenergi Zappi EV charger | £12,500 to £15,500 |
| Commercial storage, 15kWp to 50kWp systems | From £14,000, by survey |
| Battery with internal heating, where the only compliant location is a cold one | Specified and priced at survey |
| Insulated enclosure for a cold wall installation | Quoted at survey |
| EPS backup output for essential circuits during an outage | Chargeable option, quoted at survey |
| Consumer unit upgrade, where the existing board cannot take the new circuit | From £550 + VAT |
The VAT position, precisely
Qualifying residential battery installations are zero rated, including standalone batteries with no solar, on both hardware and labour as a single supply. That relief runs until 31 March 2027 and then reverts to 5% on 1 April 2027. There is no VAT to add to any battery figure above. The consumer unit line is separate electrical work and carries VAT in the normal way, which is why it is the one price on this page showing a suffix.
- 1 Feb 2024 standalone batteries brought into the zero rate
- 0% on hardware and labour as a single supply
- Scope covers no solar at all, retrofit to old solar, and battery with new solar
- 31 Mar 2027 the relief ends
- 5% expected from 1 April 2027, not 20%
What moves the number in Fraserburgh
Where the battery can compliantly and warmly go, and how far that is from your consumer unit. Whether that location needs a heated unit or an insulated enclosure. Whether the existing board can take the new circuit or needs replacing. Whether you want an EPS output and how many circuits it should carry. Whether the installation is AC coupled onto an existing solar inverter or DC coupled through a new hybrid one. And the capacity itself, which should come out of your meter data rather than out of a round number that sounded good.
Call 07304 027013 Input Requirement · Solar
You do not need solar panels to have a battery.
It is the most persistent misconception in this trade, and one directory currently ranking for Aberdeenshire battery searches actually answers the question "do I need solar panels to get a home battery" with the words "yes, absolutely", and then spends the rest of the paragraph explaining why you do not.
You do not. Since 1 February 2024 HMRC has zero rated standalone battery storage for VAT: a battery fitted on its own, no panels at all, retrofitted to an existing home and charged from cheap overnight grid electricity. It also covers a battery added to an array installed years ago. Hardware and labour, as a single supply. That relief runs to 31 March 2027 and is expected to revert to 5% on 1 April 2027.
It matters more in Fraserburgh than in most places, because as our solar page sets out, this town faces the North Sea on two sides and a great many of its roofs point the wrong way. A battery does not care which way your house faces, whether the sun is out, or whether you own the roof. It only cares what time of day you use electricity, and how warm it is where it lives.
Read this before you compare quotes
The £6,000 battery loan you are being offered does not exist.
This is the single most important thing on this page after the temperature section, and it is going to cost somebody money if they do not read it.
Several pages currently ranking for Fraserburgh solar and battery searches tell you that every household here can apply for a Home Energy Scotland interest free loan of up to £6,000 for solar plus a further £6,000 for battery storage, repayable over twelve years. The strongest of them repeats it five separate times, including inside its structured data, which means search engines are actively lifting the claim and repeating it back to people asking about batteries in this town.
The renewables loan closed to new referrals on 6 June 2024. Home Energy Scotland no longer funds solar PV or battery storage, and that remains true even when the battery is bundled with a heat pump. The scheme now funds clean heating and energy efficiency measures such as insulation. We checked the live funding table again while writing this page.
Two related things worth knowing while you are here. ECO4 is a genuine scheme and it is the main remaining grant route for a battery, but only for eligible low income or fuel poor households, usually as part of a whole house package rather than a battery on its own, and it is currently scheduled to end on 31 December 2026. And if anything you read mentions the Green Homes Grant or the domestic Renewable Heat Incentive, both of those closed to new applicants years ago, in March 2021 and March 2022 respectively.
What genuinely exists for a typical Fraserburgh household buying a battery in 2026 is 0% VAT until 31 March 2027, and the saving the battery itself makes on your tariff. That is it. We would much rather tell you that now, plainly, than have you find out after signing something.
6 June 2024Home Energy Scotland renewables loan closed to new referrals
March 2021Green Homes Grant closed
March 2022Domestic Renewable Heat Incentive closed
31 Dec 2026ECO4 currently scheduled to end
31 Mar 20270% VAT, the one relief that is genuinely live
Where We Cover
Battery storage across Fraserburgh and the north Buchan coast.
We install storage across Fraserburgh itself, including Broadsea, the Shore, Kinnaird Head, Lochpots and Smiddyhill, and out through Sandhaven, Pittulie, Rosehearty, Cairnbulg, Inverallochy, St Combs, Memsie, Strichen, New Aberdour and New Pitsligo.
Fraserburgh AB43BroadseaSandhavenPittulieRoseheartyCairnbulgInverallochySt CombsMemsieStrichenNew AberdourNew Pitsligo
Solar Panels Fraserburgh Battery Storage Peterhead Solar PV & Battery Storage EV Chargers Fraserburgh EICR Fraserburgh Consumer Units Fraserburgh Rewires Fraserburgh Electrician Fraserburgh All Areas We Cover
Want more background? We have guides on whether solar battery storage is worth it in Scotland and the Smart Export Guarantee in Scotland, and the Peterhead battery page goes deeper on tariff shifting and what happens in a power cut.
FAQs
What Fraserburgh homeowners ask before buying storage.
If yours is not here, phone and ask it. We would rather tell you a battery is wrong for your house than fit one that spends January refusing to charge. Get in touch.
Will a home battery still charge in a cold Fraserburgh winter?
Usually yes, but not always at full rate, and where you put it decides. Lithium iron phosphate cells cannot accept a full charge current below 0°C, because charging a cold cell causes lithium plating and permanent capacity loss. Manufacturers therefore publish a narrower charge window than discharge window: Fox ESS state 0°C to +55°C for charging against -10°C to +55°C for discharging, and SolaX state the Triple Power cells can only be discharged, not charged, between -20°C and 0°C. The Met Office 1991 to 2020 average at Aberdeen Dyce is 48.81 nights of air frost a year, with a mean daily minimum of 0.89°C in December. A battery in a heated utility room never notices. One in an unheated stone garage may be derating its charge on the coldest nights, which are exactly the nights the cheap overnight rate matters most.
Does the cold actually damage the battery?
No, because the protections exist to prevent exactly that. Charging is derated rather than blocked as temperature falls, which Fox ESS describe as a deliberate protective measure against lithium plating. Below 3°C their battery management system draws small amounts of solar or grid energy to keep the pack at a healthy state of charge, and outside the operating range the unit enters a dormant hibernation state until it warms up. There is a discharge protection too: below 3°C with state of charge under 60%, discharge is prohibited until the temperature reaches 5°C or charge reaches 65%. What cold costs you is cheap charge on the coldest nights, not the battery itself.
Can I put a battery in an unheated garage or outbuilding?
Often yes, and it is where most Fraserburgh batteries end up, but it should be a decision rather than a default. Fox ESS advise siting batteries where there is no prolonged exposure to extreme cold outside the operating ranges. Your four options are: site it inside the heated envelope such as a utility room or an integral garage; specify a unit with internal heating, which regulates its own temperature so the cold derating does not apply; insulate and enclose it on the cold wall, which buys several degrees cheaply; or accept a small loss knowingly. Being outdoor rated, such as IP65, is not the same as being cold rated. Those are different specifications and you should ask about both.
Can I have a battery without solar panels?
Yes, and since 1 February 2024 it is zero rated for VAT in its own right. A standalone battery charges from cheap overnight grid electricity and runs your house through the expensive part of the day. It works with a shaded roof, a roof pointing the wrong way, an upper flat, or a house where the roof is not yours to touch, which matters in a town that faces the North Sea on two sides. What it needs is not sunshine, it is a time of use tariff, a household that uses enough electricity during the day, and somewhere warm enough to live.
Is there a grant for battery storage in Scotland in 2026?
Not for a typical household. The Home Energy Scotland interest free loan closed to new referrals on 6 June 2024 and no longer funds solar PV or battery storage, even when bundled with a heat pump, despite the £6,000 plus £6,000 claim still appearing on several pages that rank for Fraserburgh searches. ECO4 is genuine but is aimed at eligible low income and fuel poor households, usually as part of a whole house package, and is currently scheduled to end on 31 December 2026. The Green Homes Grant closed in March 2021 and the domestic Renewable Heat Incentive in March 2022. What genuinely exists is 0% VAT until 31 March 2027.
How much does battery storage cost in Fraserburgh?
A 10kWh battery fitted, whether standalone or retrofitted to existing solar, is £3,500 to £5,000. A 15kWh unit is £5,000 to £7,000. A 4kWp solar array with a 10kWh battery installed together is £10,000 to £12,000. All are zero rated for VAT until 31 March 2027, after which the rate becomes 5%. A heated battery variant, an insulated enclosure and an EPS backup output are chargeable options priced after the survey, and a consumer unit upgrade, where the existing board cannot take the new circuit, starts at £550 + VAT.
Where in the house is a battery allowed to go?
PAS 63100:2024, the fire specification for battery energy storage systems in dwellings, says a battery should not go in a room intended for sleeping, and should not go on a means of escape that is not a protected escape route, which rules out most landings, staircases and hallways. It also sets provisions for loft spaces. PAS 63100 clause 6.1.3 caps stored energy at 20kWh per enclosure. Combine those rules with the temperature question and what usually survives in a Fraserburgh house is an integral or attached garage, a utility room, a plant cupboard or a porch.
Do I need network permission before switching a battery on?
Yes. Battery storage almost always exceeds the 3.68kW per phase threshold for the simpler G98 notification, so it needs a G99 application to SSEN that is approved before the system is energised, not notified afterwards. SSEN, or Scottish Hydro Electric Power Distribution, is the distribution network operator for Aberdeenshire. We submit the application as part of the job.
What brands do you fit, and what chemistry are they?
SolarEdge, Fox ESS, Alpha ESS and SolaX, all lithium iron phosphate. LFP is what the domestic storage industry has settled on because it is thermally stable and lasts many more cycles than the nickel based chemistries used in phones. SolaX Triple Power builds in 5.8kWh blocks with a 10 year warranty and SolaX Cloud monitoring. Fox ESS builds in 3.96kWh blocks with typically 10 years on the EQ and EP ranges and 12 on the newer CQ6, and round trip efficiency in the 95% to 98% region. The question we would ask about any of them on this coast is the published charge temperature window and whether the unit has internal heating.
Does Part P apply in Scotland?
No. Part P is a section of the Building Regulations for England and Wales. Scotland has Building Standards, administered by the local council, and the mechanism is a building warrant rather than a notification. There is no Building Control body to notify here. Fraserburgh sits within Aberdeenshire Council, and planning for AB43 goes through the Banff and Buchan area. Fitting a battery in an existing house is electrical work rather than a structural alteration, so a warrant is not normally in play, but the installation is tested and certified to BS 7671 regardless.
Tell us where you were thinking of putting it.
Call Steven directly on 07304 027013 or use the form. Tell us roughly what you spend on electricity, whether anyone is home during the day, and where in the house or garage you had imagined the battery going. Send a year of meter data and we will size it against your real usage rather than a round number, and we will tell you honestly how cold that spot gets. NICEIC Approved Contractor, enrolment 620239. OZEV Authorised Installer. City and Guilds Level 3 Award in the Design, Installation and Commissioning of Small Electrical Energy Storage Systems, plus 2391-52 inspection and testing and an HNC in Engineering Systems. Every installation fully MCS registered through our Q-Smart partnership. £2M public liability insured.
Request a Free Battery Survey
Faithful Spark Electricians · 17 Thomson Road, Peterhead, AB42 3FJ · 07304 027013 · Company registration SC821026 · NICEIC Approved Contractor, enrolment 620239 · OZEV Authorised Installer, EVHS/WCS14254 · SELECT Member · MCS registered through our Q-Smart partnership · BS 7671 18th Edition · 0% VAT on qualifying residential battery installations until 31 March 2027 · £2M public liability insured