Alex is Sprintlaw’s co-founder and principal lawyer. Alex previously worked at a top-tier firm as a lawyer specialising in technology and media contracts, and founded a digital agency which he sold in 2015.
Blackouts can feel like the kind of disruption that only “big infrastructure” businesses need to worry about. But if you’re an SME, even a short power outage can hit you where it hurts: missed orders, unpaid invoices, service delays, data access problems, and frustrated customers.
The good news is you don’t have to just “hope for the best”. With a sensible business continuity plan (BCP) and the right contract clauses, you can reduce downtime, protect cashflow, and keep customer relationships intact when blackouts happen.
This guide breaks down practical continuity steps and the key contract terms UK small businesses should think about before the lights go out.
Why Blackouts Are A Legal And Commercial Risk For Small Businesses
When blackouts happen, the practical consequences are obvious: no internet, no phone charging, card machines down, lights off, fridges warming up, alarms and shutters behaving unpredictably, and staff sent home early.
But the legal and contractual consequences are often the part that catches SMEs off guard. For example:
- You might miss contractual deadlines (delivery dates, response times, service levels, or “time is of the essence” obligations).
- You might not be able to evidence what happened if systems are down and you have poor record-keeping or no incident log.
- You might commit a breach without intending to, especially if your contract doesn’t allow flexibility for disruptions outside your control.
- You might get hit with refund demands if customers don’t receive goods or services as expected (particularly if you sell to consumers).
- You might face data protection issues if you switch to personal devices or improvised processes and lose control of information.
So while blackouts are often discussed as an “operations” problem, they’re also a contracts and risk allocation problem. Your goal is to keep trading where you can, and limit liability where you can’t.
What Should A Business Continuity Plan Cover For Blackouts?
A business continuity plan doesn’t need to be a 60-page binder. For most SMEs, it’s a short, clear playbook that answers: “What do we do in the first hour, first day, and first week if we lose power?”
Here are the building blocks that tend to matter most during blackouts.
1) Critical Services And “Minimum Viable Operations”
Start by identifying what you must keep running to avoid serious harm. That might include:
- Safety systems (fire alarms, emergency lighting, secure exits)
- Ability to contact customers and suppliers
- Ability to take payments (even if that means switching to invoices)
- Temperature control for perishable stock
- Access to booking systems, job sheets, or customer contact details
Write down what “minimum viable” looks like for you. For a café, it could be “cash-only drinks and cold food”. For a service business, it might be “phone triage and rescheduling”.
2) Communication Plan (Internal And External)
Blackouts become a bigger problem when nobody knows what’s happening. You’ll want a simple communication plan covering:
- Internal: who makes the call to close, cancel bookings, or send staff home?
- Customers: what’s your standard message for delays/cancellations and where will you post it?
- Suppliers: who informs them if you can’t accept deliveries or need to delay?
One practical tip: prepare message templates (SMS/email/social) in advance, because drafting them mid-incident is slow and stressful.
Also consider whether your contracts treat notices by email as valid. If your systems are down, you may need alternative notice methods. If you rely heavily on email for contractual notices, it’s worth understanding when email is legally binding and when a contract requires something more formal.
3) Backup Power, Premises, And Practical Safety
We won’t tell you what to buy, but your plan should at least cover decisions like:
- Do you have emergency lighting, torches, or battery packs accessible?
- Can you continue operating safely without power?
- Do you have a plan to secure the premises if electronic locks/shutters fail?
- If you have chilled stock, what’s the “time-to-disposal” rule and who signs off write-offs?
For many SMEs, the best continuity strategy isn’t “operate at all costs”-it’s knowing when to pause trading safely and how to restart quickly.
4) Data And Systems: Avoid Data Protection Pitfalls During Workarounds
During blackouts, teams often switch to personal mobiles, personal hotspots, handwritten notes, or personal email accounts to keep things moving. That can be helpful, but it can also create data protection risk if it’s not controlled.
If you handle personal data (customer details, bookings, employee records), your continuity plan should set clear rules on:
- Whether staff can use personal devices at all
- Where notes should be stored and how they’ll be uploaded later
- How you prevent unauthorised access and accidental sharing
- What you do if a device is lost during the disruption
This is where having your Privacy Policy and internal procedures aligned really matters. If things go wrong (for example, data is lost or disclosed), a Data Breach Response Plan can also help you respond quickly and consistently.
5) Staffing: Who Works, Who Doesn’t, And Who Decides?
Blackouts create immediate staffing questions: do staff stay on-site, do they go home, do they work from home, do they get paid?
These issues can depend on your employment contracts, workplace policies, and the facts of the situation. It’s worth checking that your Employment Contract and workplace policies are clear on:
- Place of work and whether remote work is permitted
- Instructions during emergencies (including temporary closure)
- Pay arrangements if work can’t be provided (this can be fact-specific, and employers should take care before making deductions)
- Health and safety expectations if the premises are unsafe
Even if you can’t cover every scenario, clarity reduces disputes when people are already stressed.
Which Contract Clauses Matter Most During Blackouts?
If your business continuity plan is your “how we operate” playbook, your contracts are your “how we share risk” playbook.
Here are the clauses that typically make the biggest difference when blackouts disrupt trading.
Force Majeure
A force majeure clause is designed to deal with events outside a party’s reasonable control that prevent or delay performance.
In plain English: it’s the clause that can give you breathing room when something happens that you couldn’t reasonably prevent, like a major outage, depending on the wording.
Key points to consider:
- Is “power outage” or “blackout” expressly covered? Don’t assume it is.
- What’s the trigger? “Prevents performance” is usually stricter than “hinders” or “delays”.
- What are the notice requirements? Some clauses require notice within a short timeframe.
- What happens next? Suspension, extensions of time, termination rights after a period, etc.
- Do you have a duty to mitigate? Often you must take reasonable steps to reduce the impact (like using backups or alternative suppliers if feasible).
Force majeure clauses are highly drafting-sensitive. If you want them to actually work when blackouts happen, they need to reflect how your business operates in real life.
Service Levels (SLAs) And Performance Standards
If you provide ongoing services (IT, marketing, facilities, care services, subscriptions, maintenance), you might have service levels like uptime commitments or response times.
In blackout scenarios, ask:
- Are SLAs paused during a force majeure event?
- Are service credits capped?
- Do you have discretion to provide an alternative service or reschedule?
If you’re taking on obligations you can’t realistically meet during outages, that’s a contract risk you can often fix upfront.
Delivery Windows, Title, Risk, And Substitution
If you sell goods (whether B2B or B2C), blackouts can delay dispatch, interrupt manufacturing, or stop you receiving deliveries.
Your terms should be clear on:
- Delivery windows and whether dates are estimates or fixed deadlines
- What happens if delivery is delayed for reasons outside your control
- Whether you can offer substitutes or split deliveries
- When risk passes (important if goods are delayed mid-transit)
If you sell to consumers online or at a distance, you also need to keep consumer law front of mind. The Consumer Rights Act 2015 and (where relevant) the Consumer Contracts Regulations 2013 can impose obligations around delivery and remedies. It helps to understand your delivery obligations so your terms and your customer comms don’t accidentally promise more than the law requires (or allow).
Limitations Of Liability (Caps, Exclusions, And Indirect Loss)
When blackouts disrupt performance, the real damage often shows up as consequential losses: lost profits, lost bookings, missed opportunities, reputational harm, or business interruption claims.
A well-drafted limitation of liability clause can help prevent a single outage from becoming a business-ending claim.
In the UK, these clauses need to be handled carefully. Depending on the contract and parties, laws like the Unfair Contract Terms Act 1977 (UCTA) and the Consumer Rights Act 2015 can restrict what you can exclude, especially around negligence and consumer dealings.
That’s why it’s worth getting the wording right (and making sure it matches your insurance position). If you want a sense of how these clauses are typically structured, here are some limitation of liability clauses that show common approaches.
Payment Terms And Cashflow Protection
Blackouts can trigger a cashflow squeeze: you might not be able to deliver, customers might delay payment, or you might have to refund.
Your contracts can help by setting clear rules on:
- When invoices are issued and when payment is due
- Whether deposits are refundable (and in what circumstances)
- Interest on late payment (for B2B, statutory interest may apply)
- Payment on milestones (so you’re not carrying all the risk until completion)
For customer-facing businesses, also consider how you handle delays and price changes if your costs increase (for example, emergency courier fees or replacement stock). If price increases are a possibility, you’ll want to do it transparently and lawfully, especially for consumers. It can help to understand the rules around price increase notifications.
Termination And Suspension Rights
Sometimes, the best commercial outcome is to pause obligations rather than push through and fail. Look for (or consider adding) clauses that allow:
- Suspension of services for outages/emergencies without being in breach
- Extensions of time where deadlines are impacted
- Termination if disruption continues beyond a defined period (for either party)
This is especially important if you’re supplying large orders or time-sensitive services. You want a mechanism that avoids disputes and gives everyone a clear “what happens next”.
How Do You Update Customer And Supplier Contracts Without Making Things Worse?
When you’re improving terms for blackouts, the goal isn’t to “lawyer your customers into submission”. The goal is clarity and fairness-so your business can keep operating, customers understand what to expect, and you reduce disputes.
Step 1: Check How Your Contracts Are Actually Formed
Before you update clauses, confirm what your contract “set-up” is:
- Do you trade on signed agreements?
- Do you trade on online terms and conditions?
- Do you accept orders via email or purchase orders?
- Do you have a “battle of the forms” risk with customers sending their own terms?
If you’re relying on informal acceptance (like “we’ll go ahead” by email), it’s worth making sure you understand what makes a contract legally binding in the first place-because if your terms aren’t properly incorporated, your blackout protections might not apply when you need them most.
Step 2: Align Your Terms With How You’ll Operate During Blackouts
A common mistake is adding legal wording that doesn’t match reality. For example, a clause that says you’ll notify customers within 2 hours of an outage is risky if you don’t have a reliable way to send those notices during a blackout.
Make sure your contract promises match your continuity plan, including:
- Notice channels (SMS, email, website updates, phone line message)
- Expected delays (best estimates, not guarantees)
- Whether you’ll offer refunds, credits, rescheduling, or substitutions
Step 3: Keep Consumer Law In Mind (If You Sell To The Public)
If you sell to consumers, your contract terms can’t take away statutory rights. If blackouts prevent you delivering, consumers may still be entitled to remedies depending on the circumstances.
That doesn’t mean you can’t protect your business-just that the protections need to be drafted appropriately and operate alongside consumer law.
In practice, many customer disputes are avoided not by “stronger” legal clauses, but by:
- clear, prominent pre-contract information (delivery times, cancellation rules, outage processes)
- fair remedies (like rescheduling or partial refunds where appropriate)
- consistent record-keeping and communication
What Should You Do When Blackouts Actually Happen? (A Practical Response Checklist)
When the power goes, you want to avoid scrambling. Here’s a practical checklist many SMEs use as a starting point.
Immediate (First 0–2 Hours)
- Safety first: confirm safe evacuation routes, emergency lighting, and any equipment shutdown requirements.
- Appoint an incident lead: one person makes decisions and logs actions.
- Start an incident log: time outage started, what systems affected, decisions made, customer/supplier impacts.
- Stabilise critical stock: fridges/freezers closed, temperature checks if possible, protect perishables.
- Trigger customer comms: post a standard outage message and update booking channels.
Short Term (Same Day)
- Assess contractual deadlines: deliveries, service response times, appointment schedules.
- Send contractual notices if needed: especially where force majeure notice is required.
- Prioritise key accounts: inform high-value customers personally if possible.
- Consider temporary workarounds: limited service, alternative location, rescheduling blocks.
Recovery (Next 1–7 Days)
- Document losses and mitigation: useful for disputes and insurance claims.
- Confirm data integrity: check systems, backups, and any manual notes captured during the outage.
- Review customer complaints quickly: delays get more expensive the longer they sit.
- Debrief and improve: update your continuity plan and contracts based on what actually happened.
If you regularly experience disruptions, a post-incident review is one of the best investments you can make. It turns each blackout into a lesson that strengthens your business for the next one.
Key Takeaways
- Blackouts can create contract breaches, customer disputes, and cashflow issues-so it’s worth treating them as both an operations risk and a legal risk.
- A practical business continuity plan for blackouts should cover minimum viable operations, communications, backup processes, data handling, and staffing decisions.
- Key contract clauses to review include force majeure, SLAs, delivery terms, payment terms, limitation of liability, and suspension/termination rights.
- If you sell to consumers, your terms must work alongside UK consumer protection laws like the Consumer Rights Act 2015 and (where relevant) the Consumer Contracts Regulations 2013.
- Your blackout clauses should match how you’ll actually operate during an outage-otherwise they can create more risk, not less.
- When blackouts happen, keep an incident log, communicate early, check notice requirements, and document mitigation steps to reduce disputes and support any insurance claim.
This guide is general information only, and the right approach will depend on your contract wording and the circumstances of the outage. If you’d like help reviewing your contracts or updating your terms so your business is better protected during blackouts, you can reach us at 08081347754 or team@sprintlaw.co.uk for a free, no-obligations chat.


