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REC REC430AA PURE-R
REC Brand review

REC430AA PURE-R

430 Wp HJT Bifacial
ComparePV verdict

Middle of its segment, short guarantee

Rank 8,259 of 14,005
Compare panels Datasheet PDF
Power (Wp)
430
Typical for its class
Efficiency (%)
22.30
Typical · median 22.20%
Density (Wp/m²)
222.3
Typical · median 221.6
Temp (%/°C)
-0.240
Typical · median -0.240
Weight (kg)
21.5
Typical · median 23.0 kg
Warranty (yrs)
25
Weak · bottom 8%

REC Alpha Pure-R panels redefine performance standards for residential installations through the use of advanced heterojunction cells (HJT), which combine the best features of crystalline and thin-film silicon. This innovative approach eliminates the phenomenon of light-induced degradation and ensures excellent operating efficiency even in extremely high temperatures. A key advantage of this series is the gapless cell layout, which allows for maximum utilization of the module surface, generating significantly more energy from limited roof space than competing products. This series solves the dilemma between aesthetics and performance, offering an elegant look and the highest power in a compact size. Additionally, the completely lead-free construction makes them a fully ecological and environmentally safe product, confirming compliance with strict RoHS standards. Thanks to the unique, split panel architecture, these modules maintain high efficiency even in the case of partial shading, making them an ideal choice for complex roofs. The product is intended for conscious investors who expect 25-year ProTrust warranty protection and reliability confirmed by rigorous durability tests. By choosing the REC Alpha Pure-R series, you are opting for the technological elite of photovoltaics, which guarantees the lowest power drop over time and maximum return on investment over decades of operation.

Ranking

113 panels in the segment HJT 400-450 W
Metric This panel Median Position in segment Overall rank
Module efficiency 22.30% 22.20% Typical 5,100
Power density 222.3 221.6 Typical 5,727
Temperature coefficient -0.240 -0.240 Typical 13
Weight per kWp 50.0 52.4 Typical 3,317
Performance warranty 25 yrs 30 yrs Weak · bottom 8% 9,798
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

5 positive · 3 caution
Best for

Residential, shaded-installations and hot-climate.

Not ideal for

Owners who want a long output guarantee.

Watch-outs
25 year performance warranty

Bottom 8% of the HJT 400-450 W segment, against a median of 30 yrs. Ranked 9,798th in the whole database.

What owners get
Highest efficiency in segment

Efficiency up to 22.3% places the REC Alpha Pure-R above all listed peer comparables: Silfab Elite (21.9%), EGing STAR Pro (22.02%), and Boviet GAMMA (19.8%), at the same 430 Wp power ceiling.

Lead-free HJT technology

Heterojunction cells combine crystalline and thin-film silicon, eliminating LID (light-induced degradation) and delivering stable performance at high temperatures, while a fully lead-free construction ensures RoHS compliance.

25-year ProTrust warranty

REC offers full 25-year product, power, and labor coverage under the ProTrust program, guaranteeing a minimum 92% of nominal power at year 25 with an annual degradation rate of just 0.25%.

Tier-1 manufacturer since 1996

REC Group has nearly 30 years of PV industry experience, is headquartered in Norway, and holds bankable Tier-1 status, reducing financial risk when pursuing warranty claims compared to less established brands in the peer set.

Gapless cell architecture

The cut-free cell layout achieves a power density of 223 W/m², maximizing energy yield on limited roof area — particularly valuable for installations with constrained mounting space.

Trade-offs
Production discontinued

The REC Alpha Pure-R series has been discontinued (released 2022, ended 2024), with the manufacturer directing customers to replacement models (e.g., Pure-2, Pure-RX), limiting future service support and spare-part availability.

Full ProTrust warranty is conditional

The 25-year labor coverage and full ProTrust benefits apply only when installed by an REC Certified Solar Professional and registered with REC; the standard warranty without these conditions covers just 20 years on product and 0 years on labor.

Notes from the database
  • At 22.3% efficiency, this panel is on par with typical HJT 400-450W modules
  • Power density of 222.3 W/m² matches the HJT 400-450W median
  • Temperature coefficient of -0.24%/°C matches the HJT 400-450W median
  • 21.5 kg weight - 1.5 kg lighter than HJT 400-450W median (23.0 kg), reducing installation effort
  • #5100 for efficiency, #13 for temperature performance out of 14005 panels

Specifications

Open datasheet PDF
Nominal power (Pmax) 430 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 22.30 % Typical Segment median 22.20%
Vmpp · Impp 50.50 V · 8.52 A Operating point at max power
Voc · Isc 59.70 V · 8.91 A Sizes the string length
Max system voltage 1000 V Longer strings than 1000 V modules
Dimensions 1730×1118×30 mm · 1.93 m² of roof
Weight 21.5 kg Typical Typical · median 23.0 kg
Cells 80 · HJT Monocrystalline
Coefficient Pmax -0.240 %/°C Typical median -0.240 of its segment
Coefficient Voc · Isc -0.240 · 0.040 %/°C
NOCT 44 °C At 800 W/m², 20 °C ambient
Product warranty 25 years Hardware defects only
Performance warranty 25 years Weak bottom 8% · median 30 yrs
End-of-warranty output 92.0 % Equals 390 W guaranteed
Degradation 2.00 → 0.25 % First year, then annual

Simulations

Live - change any input
Lifetime output & value
30 years at 1200 kWh/kWp/year and €0.50 per kWh
Power in year 30
-
Lifetime energy
-
Energy value
-

Degradation from this panel's own datasheet figures. No inverter, soiling or shading losses.

Heat losses
-0.240 %/°C against a segment median of -0.240
-
Filter these
Size
Panel Power Eff. Temp. Weight Difference
REC REC430AA PURE-R 430 W 22.30% -0.240 21.5 kg You are here
AIKO-A480-MAH54Mw 480 W 24.10% -0.260 21.5 kg +50 W, +1.8 pp, +5 yr warranty
GK-5-54HG-480M 480 W 24.10% -0.260 21.0 kg +50 W, +1.8 pp, +5 yr warranty
JKM480N-48QL6-DB-F2-EU 480 W 24.02% -0.260 24.4 kg +50 W, +1.7 pp, +5 yr warranty
GKA96N-PRO-480W 480 W 24.02% -0.300 21.0 kg +50 W, hotter, +1.7 pp
REC400AA PURE-R 400 W 20.70% -0.240 21.5 kg -30 W, -1.6 pp
REC410AA PURE-R 410 W 21.20% -0.240 21.5 kg -20 W, -1.1 pp
REC420AA PURE-R 420 W 21.80% -0.240 21.5 kg -10 W, -0.5 pp
LR7-54HJD-510M 510 W 25.00% -0.240 23.5 kg +80 W, +2.7 pp, +5 yr warranty
AIKO-A495-MCE54Mw 495 W 24.80% -0.260 21.0 kg +65 W, +2.5 pp, +5 yr warranty
LR7-54HJD-505M 505 W 24.70% -0.240 23.5 kg +75 W, +2.4 pp, +5 yr warranty
AIKO-A490-MCE54Mw 490 W 24.50% -0.260 21.0 kg +60 W, +2.2 pp, +5 yr warranty
LR7-54HJD-500M 500 W 24.50% -0.240 23.5 kg +70 W, +2.2 pp, +5 yr warranty
CIPRO-TN9C54M-500W 500 W 24.50% -0.260 21.4 kg +70 W, +2.2 pp, +5 yr warranty

Found 56 panels of the same or similar size to this one, within ±10 mm. See them here Found 1941 panels of the same or similar size to this one, within ±25 mm. See them here Found 3392 panels of the same or similar size to this one, within ±50 mm. See them here Found 3974 panels of the same or similar size to this one, within ±100 mm. See them here

Common questions

6 answered
How does the HJT cell technology in REC Alpha Pure-R panels differ from conventional PERC cells?
Heterojunction (HJT) cells stack monocrystalline silicon with thin amorphous silicon layers, fully eliminating light-induced degradation (LID). This yields a temperature coefficient of just -0.24%/°C, compared to roughly -0.35%/°C for typical PERC cells. In real-world terms, REC Alpha Pure-R panels retain significantly more output on hot summer days, making HJT a meaningful advantage over conventional module technologies.
What is the peak power output and module efficiency of the REC Alpha Pure-R 430W panel?
The top model in the series delivers 430 Wp at a module efficiency of 22.3%, ranking it among the highest-performing panels in the residential roof-mount format. The gapless cell layout fully utilizes the module's approximately 1.93 m² surface area, enabling greater energy harvest from a limited roof space compared to competing products with similar footprints.
Are REC Alpha Pure-R panels bifacial, and does bifaciality matter on a typical pitched roof?
Yes, the REC Alpha Pure-R is a bifacial module that captures albedo irradiance reflected from the surface beneath it. On a typical pitched roof with dark roofing tiles, the rear-side gain is minimal. However, installations above light-colored gravel, concrete, or snow can yield 5–20% additional output above rated front-side power. Bifacial gains are most significant in ground-mounted or flat-roof configurations.
How well do REC Alpha Pure-R panels handle partial shading from chimneys or antennas?
The module uses a half-cut cell layout with a split circuit architecture, so shading one section does not cause a disproportionate power loss across the entire module. HJT cells also inherently handle non-uniform irradiance better than standard PERC cells. This makes the REC Alpha Pure-R a solid choice for complex roofs with chimneys, dormers, antennas, or other obstructions that cause partial shading.
What warranty does the REC Alpha Pure-R carry, and what is covered under the ProTrust program?
The REC Alpha Pure-R comes with a 25-year product warranty and a 25-year power output warranty under the REC ProTrust program. The power warranty guarantees at least 92% of nominal output after 25 years of operation. ProTrust additionally covers labor costs for removal, replacement, and reinstallation of defective modules — a level of protection that significantly exceeds the standard industry terms.
Is the REC Alpha Pure-R series still available for purchase, or has it been discontinued?
The REC Alpha Pure-R series has been discontinued and superseded by the next-generation REC Alpha Pure-RX, which entered production at REC's Singapore manufacturing facility in early 2024. Direct orders are no longer fulfilled by the manufacturer, though some authorized distributors may still carry remaining inventory. If you are interested in REC's HJT technology, contact a local REC partner to check current stock or inquire about the successor Alpha Pure-RX series.
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