A practical guide to using electronic signatures on SEAI solar PV forms in Ireland — the eIDAS framework, simple vs advanced vs qualified signatures, SEAI's acceptance policy, audit trail requirements, and the homeowner signing experience.
The Declaration of Works Part 1 requires two signatures — the installer's and the homeowner's. This is a legal requirement of the SEAI grant scheme. Without both signatures, the form is invalid.
In a traditional paper workflow, this means:
This process routinely takes 1–3 weeks and is one of the biggest bottlenecks in the SEAI grant claims process. The 8-month submission window erodes quietly in the background while the homeowner's signed DOW sits in a pile of post.
Electronic signatures offer a solution — but the rules around which type of e-signature is acceptable for SEAI forms are not always clear.
Electronic signatures in Ireland (and across the EU) are governed by eIDAS (EU Regulation No 910/2014 on Electronic Identification, Authentication and Trust Services). eIDAS defines three levels of electronic signature:
The lowest level. Essentially any electronic indication of intent to sign — a typed name, a scanned signature image, clicking "I agree" on a web form, or drawing a signature with a finger on a touchscreen.
Legal status: A SES has legal effect in Ireland and the EU — it cannot be refused solely on the grounds that it is in electronic form. However, it provides minimal authentication — there is little proof that the person who signed is who they claim to be.
A higher level of e-signature that must:
In practice, an AES involves:
Commercial e-signature platforms like DocuSign, Adobe Sign, HelloSign, and others typically provide AES by default.
The highest level — equivalent in legal weight to a handwritten signature under EU law. A QES requires:
In practice, QES involves a hardware token or smart card and is mainly used in formal legal and financial transactions. It is not typically used for solar installation compliance documents.
SEAI's formal guidance on electronic signatures for grant documentation has evolved. As of 2025:
SEAI accepts electronic signatures on the Declaration of Works Part 1 and other grant documentation, provided:
In practice, an Advanced Electronic Signature provided by a reputable e-signature platform (DocuSign, Adobe Sign, or an integrated tool like Circaidian's signing feature) meets SEAI's requirements.
A Simple Electronic Signature — for example, a typed name in a PDF field — may not be sufficient for audit purposes, as it provides no verification that the person who typed the name is actually the homeowner.
Important: Always retain the signed document and its audit trail (the completion certificate from the e-signature platform, which logs the signer's IP, timestamp, email, and device). SEAI may request this as part of a grant audit.
The NC6 and ITC are signed only by the installer. Your installer signature can be:
For the NC6 (which is submitted by post to ESB Networks), a wet signature is the current norm — you print the completed NC6 and sign it physically before posting. This is not a significant bottleneck because the delay is purely the postal transit time, not the signing process.
For the ITC (submitted digitally with the SEAI grant claim), an electronic installer signature is appropriate.
This is where electronic signatures provide the most value. Instead of printing and posting the DOW, Circaidian allows the homeowner to sign electronically:
This process takes minutes rather than weeks. The homeowner doesn't need to print, sign, scan, or post anything. The installer gets a tamper-evident signed DOW with a full audit trail, ready to submit with the SEAI grant claim.
If SEAI audits a grant claim and requests evidence of the electronic signature, the platform must be able to provide:
Commercial e-signature platforms (DocuSign, Adobe Sign) provide all of this in a "Certificate of Completion" document. Circaidian's signing module generates an equivalent audit record for every signed DOW.
Keep the audit trail document alongside the signed DOW in your records. If the grant claim is not audited, you may never need it — but if it is, not having it is a problem.
When you tell a homeowner "we'll send you a link to sign the form", some will be unfamiliar with e-signatures and may be hesitant. A brief explanation helps:
"We'll email you a secure link. You click the link, it shows you the Declaration of Works form — the same document the installer has already signed. You can read through it, and then tap or click to sign with your name. The whole thing takes about two minutes on your phone. You don't need to print or post anything."
Most homeowners are familiar with signing documents on their phone from other contexts (mortgage documents, tenancy agreements, online banking). The framing of "secure link" and "two minutes on your phone" removes friction.
Reassure homeowners that:
For completeness: Ireland gave effect to eIDAS through the Electronic Commerce Act 2000 and subsequent regulations. Under Irish law, an electronic signature cannot be denied legal effect solely on the grounds that it is in electronic form. The eIDAS Regulation (which is directly applicable in all EU member states) provides the framework for cross-border recognition of e-signatures.
This means that a homeowner's AES on a SEAI DOW form is legally equivalent to a handwritten signature and is admissible as evidence in Irish courts. The burden of proof in any dispute would be on the party challenging the signature's validity.
Read about the DOW form requirements →
See how Circaidian handles document signing →
Full SEAI grant process guide →
Circaidian automatically generates your NC6 Microgeneration Notification, Declaration of Works Part 1, and Inspection, Test & Commissioning Part 2 from your Scoops report. One upload, three compliant forms, seconds not hours.
Try the Demo →