---
title: "KIOTO Solar KPV 440Wp HC NE (G/G-TC) vs KIOTO Solar KPV 445Wp HC - Solar Panel Comparison | ComparePV"
description: "Compare KIOTO Solar KPV 440Wp HC NE (G/G-TC) vs KIOTO Solar KPV 445Wp HC side by side: what actually differs, output when it is hot, thirty-year production, and the full specification."
source: "https://comparepv.com/compare/kioto-solar-kpv-440wp-hc-ne-g-g-tc/kioto-solar-kpv-445wp-hc"
updated: 2026-09-11
---

# KIOTO Solar KPV 440Wp HC NE (G/G-TC) vs KIOTO Solar KPV 445Wp HC

445Wp HC leads on the differences that matter

The largest is performance warranty: 5 yrs longer. 8 of 19 comparable parameters are identical.


## The two panels


| Attribute | A | B |
| --- | --- | --- |
| Panel | [KIOTO Solar KPV 440Wp HC NE (G/G-TC)](https://comparepv.com/panel/kioto-solar-kpv-440wp-hc-ne-g-g-tc) | [KIOTO Solar KPV 445Wp HC](https://comparepv.com/panel/kioto-solar-kpv-445wp-hc) |
| Manufacturer | KIOTO Solar | KIOTO Solar |
| Power | 440 Wp | 445 Wp |
| Efficiency | 22.53 % | 22.83 % |
| Technology | TOPCon | TOPCon |


## Where they differ

Ranked by how much the difference matters, not by datasheet order.


| Parameter | 440Wp HC NE (G/G-TC) | 445Wp HC | Difference |
| --- | --- | --- | --- |
| Performance warranty | 25 yrs | 30 yrs | +5 yrs for 445Wp HC |
| Annual degradation | 0.70 %/yr | 0.40 %/yr | -0.30 %/yr for 445Wp HC |
| Product warranty | 15 yrs | 30 yrs | +15 yrs for 445Wp HC |
| Temperature coefficient | -0.300 %/°C | -0.320 %/°C | +0.020 %/°C for 440Wp HC NE (G/G-TC) |
| Weight per kWp | 56.8 kg/kWp | 50.6 kg/kWp | -6.3 kg/kWp for 445Wp HC |
| Weight | 25.0 kg | 22.5 kg | -2.5 kg for 445Wp HC |
| Module efficiency | 22.53 % | 22.83 % | +0.30 pp for 445Wp HC |
| Module area | 1.953 m² | 1.998 m² | 0.045 m² apart |
| Bifacial | Yes | No | Yes vs No |
| Dimensions | 1722x1134x35 mm | 1748x1143x35 mm | 1722x1134x35 mm vs 1748x1143x35 mm |
| Voltage at max power | 33.09 V | 34.31 V | 1.22 V apart |


## Every compared parameter


| Parameter | 440Wp HC NE (G/G-TC) | 445Wp HC |
| --- | --- | --- |
| Rated power | 440 Wp | 445 Wp |
| Module efficiency | 22.53 % | 22.83 % |
| Power density | 225.3 Wp/m² | 222.7 Wp/m² |
| Open-circuit voltage | 39.30 V | 39.95 V |
| Voltage at max power | 33.09 V | 34.31 V |
| Short-circuit current | 13.99 A | 13.66 A |
| Current at max power | 13.30 A | 12.97 A |
| Temperature coefficient | -0.300 %/°C | -0.320 %/°C |
| Dimensions | 1722x1134x35 mm | 1748x1143x35 mm |
| Module area | 1.953 m² | 1.998 m² |
| Weight | 25.0 kg | 22.5 kg |
| Weight per kWp | 56.8 kg/kWp | 50.6 kg/kWp |
| Product warranty | 15 yrs | 30 yrs |
| Performance warranty | 25 yrs | 30 yrs |
| Annual degradation | 0.70 %/yr | 0.40 %/yr |
| Cell technology | TOPCon | TOPCon |
| Cell type | Monocrystalline | Monocrystalline |
| Cell count | 108 | 108 |
| Bifacial | Yes | No |


## Thirty-year yield

Each panel's own declared degradation curve, at 1,200 kWh/kWp a year

- **Cumulative output, 440Wp HC NE (G/G-TC):** 13,757 kWh
- **Cumulative output, 445Wp HC:** 14,931 kWh
- **Gap:** 1,174 kWh


## Output when hot


| Condition | Cell temperature | 440Wp HC NE (G/G-TC) | 445Wp HC | Retained |
| --- | --- | --- | --- | --- |
| Standard test conditions | 25 °C | 440 W | 445 W | 100.0% of rated power |
| Cool, bright day | 40 °C | 420 W | 424 W | 95.2% of rated power |
| Typical summer roof | 55 °C | 400 W | 402 W | 90.4% of rated power |
| Hot roof | 70 °C | 381 W | 381 W | 85.6% of rated power |


## Against the whole database


| Measure | 440Wp HC NE (G/G-TC) | 445Wp HC | Out of | Note |
| --- | --- | --- | --- | --- |
| Efficiency | #3,982 | #2,683 | 14,005 | 445Wp HC leads by 1,299 places |
| Power density | #4,099 | #5,300 | 14,005 | 440Wp HC NE (G/G-TC) leads by 1,201 places |
| Heat behaviour | #6,093 | #8,312 | 14,005 | 440Wp HC NE (G/G-TC) leads by 2,219 places |
| Weight | #10,878 | #3,950 | 14,005 | 445Wp HC leads by 6,928 places |
| Warranty | #9,798 | #21 | 14,005 | 445Wp HC leads by 9,777 places |
| Overall | #9,742 | #4,903 | 14,005 | 445Wp HC leads by 4,839 places |


## Questions


### Which panel is better: KIOTO Solar KPV 440Wp HC NE (G/G-TC) or KIOTO Solar KPV 445Wp HC?

According to our database: **KIOTO Solar KPV **445 Wp** HC** has higher module efficiency (**22.83%** vs **22.53%**); **KIOTO Solar KPV **440 Wp** HC NE (G/G-TC)** tolerates heat better (temp coeff **-0.300%/°C** vs **-0.320%/°C**). See the full spec comparison and 30-year energy simulation above for a complete picture.


### What is the efficiency of KIOTO Solar KPV 440Wp HC NE (G/G-TC) and KIOTO Solar KPV 445Wp HC?

**KIOTO Solar KPV **440 Wp** HC NE (G/G-TC)** has a module efficiency of **22.53%**, while **KIOTO Solar KPV **445 Wp** HC** is **22.83%**. Higher efficiency means more electricity from the same roof area - useful when space is limited.


### What cell technology does KIOTO Solar KPV 440Wp HC NE (G/G-TC) use vs KIOTO Solar KPV 445Wp HC?

**KIOTO Solar KPV **440 Wp** HC NE (G/G-TC)** uses **TOPCon** cells; **KIOTO Solar KPV **445 Wp** HC** uses **TOPCon**. Modern **n-type** technologies (**TOPCon**, **HJT**, BC) typically deliver higher efficiency and lower degradation compared to older **PERC** (p-type) cells.


### What is the warranty on KIOTO Solar KPV 440Wp HC NE (G/G-TC) and KIOTO Solar KPV 445Wp HC?

**KIOTO Solar KPV **440 Wp** HC NE (G/G-TC)** has a **25 years** power warranty; **KIOTO Solar KPV **445 Wp** HC** has a **30 years** power warranty. The power warranty guarantees a minimum percentage of rated output at the end of the warranty period (typically 80**-87%**). Product (materials) warranties are usually shorter.


### Are KIOTO Solar KPV 440Wp HC NE (G/G-TC) and KIOTO Solar KPV 445Wp HC bifacial panels?

**KIOTO Solar KPV **440 Wp** HC NE (G/G-TC)** is bifacial (captures light from both faces); **KIOTO Solar KPV **445 Wp** HC** is monofacial. Bifacial panels work best on ground mounts or raised structures with a light-coloured surface underneath.


## Related comparisons

- [KIOTO Solar KPV 440Wp HC NE (G/G-TC) vs KIOTO Solar KPV 450Wp HC NE (G/G-TC)](https://comparepv.com/compare/kioto-solar-kpv-440wp-hc-ne-g-g-tc/kioto-solar-kpv-450wp-hc-ne-g-g-tc) - 6 differences, the largest is open-circuit voltage
- [KIOTO Solar KPV 440Wp HC NE (G/G-TC) vs KIOTO Solar KPV 445Wp HC NE (G/G-TC)](https://comparepv.com/compare/kioto-solar-kpv-440wp-hc-ne-g-g-tc/kioto-solar-kpv-445wp-hc-ne-g-g-tc) - One difference: module efficiency
- [KIOTO Solar KPV 445Wp HC vs KIOTO Solar KPV 450Wp HC](https://comparepv.com/compare/kioto-solar-kpv-445wp-hc/kioto-solar-kpv-450wp-hc) - One difference: module efficiency
- [KIOTO Solar KPV 445Wp HC vs KIOTO Solar KPV 440 Wp HCB](https://comparepv.com/compare/kioto-solar-kpv-445wp-hc/kioto-solar-kpv-440-wp-hcb) - One difference: module efficiency
- [KIOTO Solar KPV 440Wp HC NE (G/G-TC) vs KIOTO Solar KPV 450 Wp HC NE](https://comparepv.com/compare/kioto-solar-kpv-440wp-hc-ne-g-g-tc/kioto-solar-kpv-450-wp-hc-ne) - 9 differences, the largest is product warranty


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Source: https://comparepv.com/compare/kioto-solar-kpv-440wp-hc-ne-g-g-tc/kioto-solar-kpv-445wp-hc

Not in this file, on the page: the thirty-year yield curve year by year at a cell temperature you pick and a written summary generated on request.