Delay in an EPC project is not only a construction problem. It can trigger liquidated damages, disrupt financing, affect grid connection dates, delay revenue and expose both Employers and Contractors to serious commercial risk. In renewable energy projects, even a short delay can disturb the entire project model because completion is often tied to power purchase agreements, tariff milestones, lender requirements and regulatory approvals.
The real question in modern delay disputes is therefore not simply: who caused the delay? The sharper question is: who protected their contractual position when the delay happened?
Recent developments under the FIDIC 2017 suite, together with modern construction-law practice, show a clear shift: entitlement is increasingly shaped by notices, claims procedures, updated programmes, records and extension-of-time mechanisms. A party may be right on the facts and still lose if it fails on process.
That is the central human truth behind delay damages. Projects do not fail only because time is lost. They fail because risk is not managed while time is being lost.
Delay damages, often framed as liquidated damages, are intended to compensate the Employer for late completion without requiring proof of actual loss. In EPC projects, this matters because delay can immediately affect generation revenue, financing costs, regulatory compliance, power purchase obligations and project bankability.
For Employers, delay damages create certainty. For Contractors, they create exposure. This is why these clauses are heavily negotiated alongside liability caps, exclusions, force majeure provisions and extension-of-time rights. The clause is not a technical afterthought, it is one of the main tools through which completion risk is priced and allocated.
The practical tension is simple. The Employer wants certainty of recovery whilst the Contractor wants protection where delay is not its fault. The contract decides how that tension is resolved.
Who bears the rick of delay?
The EPC model is built on a clear commercial bargain. The Contractor accepts greater responsibility for design, procurement and construction in return for control over delivery. The Employer expects completion by a fixed date and, if that date is missed, financial consequences follow.
This risk allocation is particularly visible in the FIDIC Silver Book, which places extensive design and execution risk on the Contractor and limits the circumstances in which relief for delay or additional cost may be obtained.
In reality, delay is rarely clean. It may arise from late site access, delayed design information, variations, permitting issues, supply-chain disruption, transmission constraints or Employer interference. Renewable energy projects are especially exposed because they depend on several external stakeholders, including regulators, utilities, transmission operators and environmental authorities.
This is where the dispute becomes less about blame and more about allocation. If the delay falls within a recognised extension-of-time event, and the Contractor has complied with the claims procedure, the risk may shift back to the Employer. If not, the Contractor may remain exposed even where the factual picture is more complicated.
The pattern is consistent. Delay disputes are often won or lost during the project, not years later in arbitration or litigation.
When does the Contractor get relief?
Most sophisticated EPC contracts include extension-of-time mechanisms for delay events outside the Contractor’s control. Under FIDIC-based forms, these may include variations, exceptionally adverse weather, Employer-caused delay, force majeure events and delayed instructions.
These mechanisms sit alongside the prevention principle, which broadly recognises that an Employer should not insist on the original completion date where the Employer itself prevented timely completion, unless the contract provides an effective way to extend time.
However, modern courts and tribunals generally respect the bargain made by sophisticated commercial parties. If the contract says a notice must be issued within a prescribed period, that requirement may be treated as decisive. The emotional instinct may be to ask whether the result is fair. The legal question is often whether the process was followed.
That is why delay management must be treated as a live legal discipline, not a post-project argument.
Why Valid Claims still fail
The major shift in EPC disputes is the rise of procedural compliance. Under the FIDIC 2017 suite, claims procedures are more detailed, notice obligations are stricter and substantiation requirements are more demanding. Contractors who fail to issue notices on time, maintain updated programmes, preserve contemporaneous records or comply with claims procedures may lose entitlement to extensions of time or additional payment.
This is a hard commercial truth. A genuine delay is not the same as a recoverable claim. A Contractor may prove that delay occurred and that costs were incurred yet still fail because the contractual machinery was not properly operated.
For Employers, this means delay damages must be supported by proper contract administration. For Contractors, it means every delay event must be treated as evidence in motion. Notices, records, programmes and correspondence are not admin. They are the foundation of future entitlement.
DAABS and Early Dispute Management
The move from Dispute Adjudication Boards under earlier FIDIC editions to Dispute Avoidance and Adjudication Boards under the 2017 suite reflects the same strategic shift. The aim is no longer only to resolve disputes after they arise, but to avoid escalation during project execution.
DAABs align with the modern emphasis on early notices, live records, programme discipline and interim decisions that keep projects moving. The deeper point is that delay disputes are best managed while the facts are fresh and the project can still be corrected.
Once the project is over, parties are often left reconstructing intention from incomplete records. By then, the strongest evidence may already have been lost.
The South African Position
South Africa has limited reported EPC-specific case law compared with England, partly because many high-value construction and infrastructure disputes are resolved through arbitration, adjudication or dispute boards. Even so, the available legal position points toward respect for contractual risk allocation and procedural requirements in sophisticated commercial agreements.
In Barkhuizen v Napier, the Constitutional Court confirmed that contractual time-bar clauses are generally enforceable unless contrary to public policy or unreasonable in the circumstances. This matters for EPC contracts because strict notice periods and claims deadlines often determine whether a party preserves its right to relief.
Delay damages must also be considered against the Conventional Penalties Act 15 of 1962, which allows a court to reduce a penalty that is out of proportion to the prejudice suffered. Although courts are generally slow to interfere with commercially negotiated arrangements between sophisticated parties, the Act remains relevant to liquidated damages regimes in South Africa.
The Kusile Power Station litigation in Eskom Holdings SOC Ltd v TSSA (Pty) Ltd and Others further illustrates the growing importance of time-bar and procedural disputes in major South African infrastructure claims. The broader signal is clear. Process can become the battleground before the merits are ever reached.
What Project Participants should take from this
Employers, developers and sponsors should treat delay provisions as core commercial protections, not standard drafting. The wording of delay damages, extension-of-time clauses, notices and claims procedures may decide whether financial exposure is recoverable.
Contractors should treat each potential delay event as a live legal risk. If notice is late, records are weak, programmes are outdated or correspondence is unclear, a strong factual case may become a weak contractual claim.
The strategic truth is that in modern EPC projects, delay management is not separate from legal risk management. The party that documents properly, gives notice on time and follows the contract usually holds the stronger position.
Conclusion
Delay damages in EPC projects are not only about late completion. They are about whether the contract’s risk-allocation machinery was properly used when delay occurred.
For Employers, Contractors, developers and lenders, the lesson is practical and urgent. Do not wait for a dispute to begin before managing delay. By then, the outcome may already have been shaped by missed notices, poor records or unclear programme management.
The strongest position belongs to the party that acts promptly, maintains accurate records, and preserves its contractual rights. In delay disputes, time is important, but it is often procedural compliance that determines who ultimately bears the cost of that delay.
Article by Tasmia Alli
Construction & Commercial Associate


