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Compare like with like. Aligned scores, specifications and local evidence within one scoring class or tier.

Market context

United States purchasing view

Premium Performance

Alpha Pure 2 66-cell400–430 W

REC | REC400AA Pure 2 / REC410AA Pure 2 / REC420AA Pure 2 / REC430AA Pure 2; scored model REC430AA Pure 2

66-cellHJTMono-glassMonofacial

72/ 100

Very good

Strong evidence coverage · 96%

Evidence checked 2026-08-05

Available in United States · checked 2026-08-05

Buyer evidence: Ready (96% direct coverage).

Heterojunction (HJT)Class-Leading Temp Coeff15+ Yrs Field-Proven
Full scorecard
Premium Performance

Alpha Pure-R400–430 W

REC | REC430AA Pure-R

HJTMono-glass

72/ 100

Very good

Strong evidence coverage · 100%

Evidence checked 2026-08-19

Available in United States · checked 2026-08-05

Buyer evidence: Ready (100% direct coverage).

Heterojunction (HJT)Class-Leading Temp Coeff15+ Yrs Field-Proven
Full scorecard
Side by side

Score profile

MeasureAlpha Pure 2 66-cellAlpha Pure-R
Architecture & Design83 / 10083 / 100
Efficiency & Yield61 / 10061 / 100
Durability (verified)66 / 10064 / 100
Performance & Degradation82 / 10082 / 100
Guarantee & Backbone79 / 10079 / 100
Sustainability52 / 10060 / 100

Architecture & Design

Alpha Pure 2 66-cell
83 / 100
Alpha Pure-R
83 / 100

Efficiency & Yield

Alpha Pure 2 66-cell
61 / 100
Alpha Pure-R
61 / 100

Durability (verified)

Alpha Pure 2 66-cell
66 / 100
Alpha Pure-R
64 / 100

Performance & Degradation

Alpha Pure 2 66-cell
82 / 100
Alpha Pure-R
82 / 100

Guarantee & Backbone

Alpha Pure 2 66-cell
79 / 100
Alpha Pure-R
79 / 100

Sustainability

Alpha Pure 2 66-cell
52 / 100
Alpha Pure-R
60 / 100
Side by side

Key specifications

marks the better value on rows where a higher number is better. Temperature coefficient counts as higher when it is closer to zero. Size measures such as rated power carry no marker, because a larger product is a different choice rather than a better one.

MeasureAlpha Pure 2 66-cellAlpha Pure-R
ArchitectureHJT moduleHJT module
Published rated power range400–430 W400–430 W
Scored benchmark430 W430 W
Power430 W430 W
Efficiency22.2 %22.3 % (better value on this row)
CellHeterojunction (HJT)Heterojunction (HJT)
Temp coeff-0.24 %/°C-0.24 %/°C

Architecture

Alpha Pure 2 66-cell
HJT module
Alpha Pure-R
HJT module

Published rated power range

Alpha Pure 2 66-cell
400–430 W
Alpha Pure-R
400–430 W

Scored benchmark

Alpha Pure 2 66-cell
430 W
Alpha Pure-R
430 W

Power

Alpha Pure 2 66-cell
430 W
Alpha Pure-R
430 W

Efficiency

Alpha Pure 2 66-cell
22.2 %
Alpha Pure-R
22.3 % (better value on this row)

Cell

Alpha Pure 2 66-cell
Heterojunction (HJT)
Alpha Pure-R
Heterojunction (HJT)

Temp coeff

Alpha Pure 2 66-cell
-0.24 %/°C
Alpha Pure-R
-0.24 %/°C
Local evidence

United States evidence

EvidenceAlpha Pure 2 66-cellAlpha Pure-R
OutcomeAvailable in United StatesAvailable in United States
Checked2026-08-052026-08-05
CertificationsThe exact REC430AA Pure 2 model is on the California Energy Commission PV Module List with UL 61730 safety certification, 430 W nameplate and a listing date of 13 February 2023., The North American REC Alpha Pure 2 datasheet, UL EN US edition 12122024, lists IEC 61215:2021, IEC 61730:2023, UL 61730, UL 61730 Fire Type 2, IEC 62716 Ammonia Resistance, IEC 61701 Salt Mist SM6 and IEC TS 63126 Level 1 under product code RECXXXAA PURE 2, and publishes the 400, 410, 420 and 430 W classes., Intertek Authorization to Mark for report 200703477SHA-001, control number 5017774, covers REC followed by 400, 410, 420 or 430 followed by AA Pure 2 to UL 61730-1:2017 Ed.1, UL 61730-2:2017 Ed.1 and the CSA C22.2 #61730 series.UL 61730-1:2017 Ed.1 / UL 61730-2:2017 Ed.1, Intertek Authorization to Mark (Control No. 5017774), model list includes REC430AA Pure-R
Warranty scopeUnited States; the North American REC Alpha Pure 2 datasheet states a 20-year standard product warranty and a 25-year power warranty with no labor cover, and 98% power in year 1. Panels bought through an REC Certified Professional under REC ProTrust carry a 25-year product and 25-year power warranty with 25-year labor cover for systems under 25 kW, or 10-year labor cover for 25 to 500 kW.20-year standard product warranty, 25-year power warranty (≥92% power at year 25); REC ProTrust (REC-certified installer + registration) extends to 25-year product/power warranty plus 10 or 25-year labor warranty depending on system size.
Warranty remedyREC may repair, replace with an equivalent product, add modules, or refund current market price, depending on the claim.REC may repair, replace with an equivalent product, add modules, or refund current market price.
Labour and reinstallationStandard warranty excludes on-site labour. ProTrust may pay a fixed labour allowance only when its installer and registration conditions are met. Excluded under the standard warranty; ProTrust labour is conditional and should not be presented as unrestricted cost coverage.Standard warranty excludes on-site labour; ProTrust may provide a fixed allowance only when its conditions are met. Excluded under the standard warranty; conditional ProTrust labour is not unrestricted removal and reinstallation coverage.
FreightExcluded under the standard warranty.Excluded under the standard warranty.
Transfer and registrationTransfers only to a later owner of the unchanged facility while modules remain at the original location. No pre-registration for standard coverage. ProTrust requires qualifying installer registration; standard claims require proof chain, serial number, and REC authorization.Transfers only to a later owner of the unchanged facility while modules remain at the original location. No pre-registration for standard coverage. ProTrust requires qualifying installer registration; standard claims need proof, serial number, and authorization.
Grid compatibilityNot applicable or not establishedInstallation manual requires wiring per US National Electrical Code (NEC) Article 690.
Local product pathwayNo separate local pathway recordedNo separate local pathway recorded
Buyer evidenceReady (96% direct coverage): Local availability, buyer evidence, and the publication threshold are confirmed.Ready (100% direct coverage): Local availability, buyer evidence, and the publication threshold are confirmed.
Safety noticeNo model-specific notice recordedNo model-specific notice recorded
Review noteREC's United States product page lists Alpha Pure 2 in its current range at 400 to 430 Wp, so the scored 430 W bin is the top of the US range rather than outside it. REC Americas, LLC, 735 Tank Farm Road Suite 130, San Luis Obispo, CA 93401, telephone +1-877-785-8055, is REC's Americas regional hub, and REC operates a US installer locator for REC Certified Solar Professionals. This is the reverse of the Australian position on the same record, where the exact model is absent from the approved-module export.REC Americas, LLC (San Luis Obispo, CA) operates a US Platinum distributor network and an installer-locator for REC Certified Solar Professionals.
SourcesSource 1Source 2Source 3Source 4Source 5Source 6Source 1Source 2Source 3Source 4

Outcome

Alpha Pure 2 66-cell
Available in United States
Alpha Pure-R
Available in United States

Checked

Alpha Pure 2 66-cell
2026-08-05
Alpha Pure-R
2026-08-05

Certifications

Alpha Pure 2 66-cell
The exact REC430AA Pure 2 model is on the California Energy Commission PV Module List with UL 61730 safety certification, 430 W nameplate and a listing date of 13 February 2023., The North American REC Alpha Pure 2 datasheet, UL EN US edition 12122024, lists IEC 61215:2021, IEC 61730:2023, UL 61730, UL 61730 Fire Type 2, IEC 62716 Ammonia Resistance, IEC 61701 Salt Mist SM6 and IEC TS 63126 Level 1 under product code RECXXXAA PURE 2, and publishes the 400, 410, 420 and 430 W classes., Intertek Authorization to Mark for report 200703477SHA-001, control number 5017774, covers REC followed by 400, 410, 420 or 430 followed by AA Pure 2 to UL 61730-1:2017 Ed.1, UL 61730-2:2017 Ed.1 and the CSA C22.2 #61730 series.
Alpha Pure-R
UL 61730-1:2017 Ed.1 / UL 61730-2:2017 Ed.1, Intertek Authorization to Mark (Control No. 5017774), model list includes REC430AA Pure-R

Warranty scope

Alpha Pure 2 66-cell
United States; the North American REC Alpha Pure 2 datasheet states a 20-year standard product warranty and a 25-year power warranty with no labor cover, and 98% power in year 1. Panels bought through an REC Certified Professional under REC ProTrust carry a 25-year product and 25-year power warranty with 25-year labor cover for systems under 25 kW, or 10-year labor cover for 25 to 500 kW.
Alpha Pure-R
20-year standard product warranty, 25-year power warranty (≥92% power at year 25); REC ProTrust (REC-certified installer + registration) extends to 25-year product/power warranty plus 10 or 25-year labor warranty depending on system size.

Warranty remedy

Alpha Pure 2 66-cell
REC may repair, replace with an equivalent product, add modules, or refund current market price, depending on the claim.
Alpha Pure-R
REC may repair, replace with an equivalent product, add modules, or refund current market price.

Labour and reinstallation

Alpha Pure 2 66-cell
Standard warranty excludes on-site labour. ProTrust may pay a fixed labour allowance only when its installer and registration conditions are met. Excluded under the standard warranty; ProTrust labour is conditional and should not be presented as unrestricted cost coverage.
Alpha Pure-R
Standard warranty excludes on-site labour; ProTrust may provide a fixed allowance only when its conditions are met. Excluded under the standard warranty; conditional ProTrust labour is not unrestricted removal and reinstallation coverage.

Freight

Alpha Pure 2 66-cell
Excluded under the standard warranty.
Alpha Pure-R
Excluded under the standard warranty.

Transfer and registration

Alpha Pure 2 66-cell
Transfers only to a later owner of the unchanged facility while modules remain at the original location. No pre-registration for standard coverage. ProTrust requires qualifying installer registration; standard claims require proof chain, serial number, and REC authorization.
Alpha Pure-R
Transfers only to a later owner of the unchanged facility while modules remain at the original location. No pre-registration for standard coverage. ProTrust requires qualifying installer registration; standard claims need proof, serial number, and authorization.

Grid compatibility

Alpha Pure 2 66-cell
Not applicable or not established
Alpha Pure-R
Installation manual requires wiring per US National Electrical Code (NEC) Article 690.

Local product pathway

Alpha Pure 2 66-cell
No separate local pathway recorded
Alpha Pure-R
No separate local pathway recorded

Buyer evidence

Alpha Pure 2 66-cell
Ready (96% direct coverage): Local availability, buyer evidence, and the publication threshold are confirmed.
Alpha Pure-R
Ready (100% direct coverage): Local availability, buyer evidence, and the publication threshold are confirmed.

Safety notice

Alpha Pure 2 66-cell
No model-specific notice recorded
Alpha Pure-R
No model-specific notice recorded

Review note

Alpha Pure 2 66-cell
REC's United States product page lists Alpha Pure 2 in its current range at 400 to 430 Wp, so the scored 430 W bin is the top of the US range rather than outside it. REC Americas, LLC, 735 Tank Farm Road Suite 130, San Luis Obispo, CA 93401, telephone +1-877-785-8055, is REC's Americas regional hub, and REC operates a US installer locator for REC Certified Solar Professionals. This is the reverse of the Australian position on the same record, where the exact model is absent from the approved-module export.
Alpha Pure-R
REC Americas, LLC (San Luis Obispo, CA) operates a US Platinum distributor network and an installer-locator for REC Certified Solar Professionals.

Sources

Alpha Pure 2 66-cell
Source 1Source 2Source 3Source 4Source 5Source 6
Alpha Pure-R
Source 1Source 2Source 3Source 4
Decision snapshot

Where the comparison separates

OverallThe products are tied at 72.
Strongest dimensionsAlpha Pure 2 66-cell: Architecture & Design · Alpha Pure-R: Architecture & Design
Largest differenceAlpha Pure-R has the largest pillar edge in Sustainability (8 points).
Market evidenceAlpha Pure 2 66-cell: buyer ready · Alpha Pure-R: buyer ready

A score lead is only meaningful inside this shared class or tier. Weigh it against the specification and evidence rows above before deciding.

Both products are scored in the Premium Performance class, on the same rubric weighting. Scores are not comparable across classes or tiers. Full methodology.