---
title: "Hiwatt Solar vs A.B. Energy - Brand Comparison | ComparePV"
description: "Compare Hiwatt Solar vs A.B. Energy solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background."
source: "https://comparepv.com/hiwatt-solar-vs-a-b-energy"
---

# Hiwatt Solar vs A.B. Energy

Hiwatt Solar has the broader catalog (109 vs 0 models). Hiwatt Solar leans bifacial (13% of lineup).


## The two companies


| Attribute | Hiwatt Solar | A.B. Energy |
| --- | --- | --- |
| Country |  | Germany |
| Headquarters |  | Wiesbaden |
| Founded |  | 1996 |
| Employees |  | 1,400 |
| Annual capacity |  |  |
| Tier 1 | no |  |
| Listed |  | Xetra, Frankfurt Stock Exchange: AB9 |
| Website |  | [https://abo-energy.com](https://abo-energy.com) |

ABO Energy is a renewable energy company that develops and constructs renewable energy projects, focusing on wind, solar, and storage facilities. They offer turnkey solutions and have connected several gigawatts of nominal output to the grid. The company is active internationally and is committed to driving the energy...


## Catalog & Power


| Measure | Hiwatt Solar | A.B. Energy | Margin |
| --- | --- | --- | --- |
| Panel Models | 109 | 0 | +109 |
| Max Power | 730 W | 0 W | +730 W |
| Avg Power | 476 W | 0 W | +476 W |


## Efficiency


| Measure | Hiwatt Solar | A.B. Energy | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 23.50% | - |  |
| Avg Efficiency | 20.60% | - |  |


## Reliability & Warranty


| Measure | Hiwatt Solar | A.B. Energy | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.340%/°C | - |  |
| Bifacial Share | 14 (13%) | 0 (0%) | +13 pp |
| Avg Warranty | 25.0 yrs | - |  |


## Efficiency distribution

Hiwatt Solar skews to higher efficiency: 8% of lineup is 23%+


| Efficiency band | Hiwatt Solar | A.B. Energy |
| --- | --- | --- |
| \<20% | 27 (24.8%) | 0 |
| 20-21% | 32 (29.4%) | 0 |
| 21-22% | 27 (24.8%) | 0 |
| 22-23% | 14 (12.8%) | 0 |
| 23%+ | 9 (8.3%) | 0 |


## Power distribution

Hiwatt Solar offers more 600W+ panels (18% of lineup)


| Power band | Hiwatt Solar | A.B. Energy |
| --- | --- | --- |
| \<400W | 33 (30.3%) | 0 |
| 400-499W | 30 (27.5%) | 0 |
| 500-599W | 26 (23.9%) | 0 |
| 600-699W | 15 (13.8%) | 0 |
| 700W+ | 5 (4.6%) | 0 |


## Cell technology

Dominant cell tech: **PERC** (46%)


| Technology | Hiwatt Solar | A.B. Energy |
| --- | --- | --- |
| PERC | 50 (45.9%) | 0 |
| TOPCon | 33 (30.3%) | 0 |
| Unknown | 21 (19.3%) | 0 |
| N-type | 5 (4.6%) | 0 |


## Top panels, Hiwatt Solar


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [HW-M12/132G-730](https://comparepv.com/panel/hiwatt-solar-hw-m12-132g-730) | 730 | 23.5 | -0.340 | Monocrystalline |
| 2 | [HW-M12/132G-725](https://comparepv.com/panel/hiwatt-solar-hw-m12-132g-725) | 725 | 23.3 | -0.340 | Monocrystalline |
| 3 | [HW-M12/132G-720](https://comparepv.com/panel/hiwatt-solar-hw-m12-132g-720) | 720 | 23.2 | -0.340 | Monocrystalline |
| 4 | [HW-M12/132G-715](https://comparepv.com/panel/hiwatt-solar-hw-m12-132g-715) | 715 | 23.0 | -0.340 | Monocrystalline |
| 5 | [HW-M12/132G-710](https://comparepv.com/panel/hiwatt-solar-hw-m12-132g-710) | 710 | 22.9 | -0.340 | Monocrystalline |
| 6 | [HW-M12/132H-670](https://comparepv.com/panel/hiwatt-solar-hw-m12-132h-670) | 670 | 21.6 | -0.340 | Monocrystalline |
| 7 | [HW-M12/132H-665](https://comparepv.com/panel/hiwatt-solar-hw-m12-132h-665) | 665 | 21.4 | -0.340 | Monocrystalline |
| 8 | [HW-M12/132H-660](https://comparepv.com/panel/hiwatt-solar-hw-m12-132h-660) | 660 | 21.2 | -0.340 | Monocrystalline |
| 9 | [HW-M12/132H-655](https://comparepv.com/panel/hiwatt-solar-hw-m12-132h-655) | 655 | 21.1 | -0.340 | Monocrystalline |
| 10 | [HW-M12/132H-650](https://comparepv.com/panel/hiwatt-solar-hw-m12-132h-650) | 650 | 20.9 | -0.340 | Monocrystalline |


## Summary

Hiwatt Solar is a Chinese solar module manufacturer headquartered in China, focused on the research, development, and production of photovoltaic modules. The company reports a production capacity of approximately 2.2 GW per year and is listed in the ENF Solar manufacturer directory. No independent confirmation of BloombergNEF Tier 1 bankability status was found in publicly accessible sources as of mid-2026, which places Hiwatt in a different league from the established Tier 1 Chinese giants such as Longi, JA Solar, or Trina Solar. A.B. Energy, by contrast, is an Italian company headquartered in Catanzaro, Calabria, that operates as a distributor and system integrator rather than a panel manufacturer. It sources panels from established brands - including JA Solar, Trina Solar, and Longi Solar - and bundles them with inverters, storage systems, and installation services for the Italian market. On institutional footprint, Hiwatt Solar carries the heavier manufacturing weight, while A.B. Energy is a regional value-added reseller.

In terms of product scope, Hiwatt Solar offers large-format 210 mm cell modules reaching upward of 750 W, including bifacial double-glass variants and its branded "Orange" series built on TOPCon cell technology with SMBB interconnection and anti-PID treatment. These modules are aimed primarily at mid-tier commercial and utility-scale buyers seeking competitive Chinese production. A.B. Energy does not produce panels; its product offering is defined by whichever manufacturer brands it chooses to carry at any given time, meaning the panel technology and quality in an A.B. Energy installation depend entirely on the upstream brand selected for that project.

For a buyer choosing between the two, the comparison is structurally asymmetric: Hiwatt Solar is an option when sourcing modules directly, while A.B. Energy is relevant when seeking a full-service Italian integrator that handles design, supply, and after-sales support. A buyer wanting to compare module quality should instead evaluate the specific brand that A.B. Energy proposes for a given project against Hiwatt directly on efficiency, warranty terms, and third-party certifications.

\---LINKS---

\- https://www.enfsolar.com/hiwatt-solar \| Hiwatt Solar Limited - Solar Panels - China \| review

\- http://www.hiwattsolar.com/profile/profileinfo/54.html \| Hiwatt Solar company profile and production overview \| article

\- https://www.enfsolar.com/a-b-energy \| A.B. Energy srls - Sellers - Italy \| review

\- https://www.abenergysrl.com/ \| A.B. Energy srls - official company site \| article

Written by claude-sonnet from the figures above.


## Other comparisons

- [Hiwatt Solar vs AE Solar](https://comparepv.com/hiwatt-solar-vs-ae-solar)
- [AEET vs A.B. Energy](https://comparepv.com/aeet-vs-a-b-energy)
- [Hiwatt Solar vs AIKO](https://comparepv.com/hiwatt-solar-vs-aiko)
- [AKCOME vs A.B. Energy](https://comparepv.com/akcome-vs-a-b-energy)
- [Hiwatt Solar vs ARTsolar](https://comparepv.com/hiwatt-solar-vs-artsolar)
- [ASM vs A.B. Energy](https://comparepv.com/asm-vs-a-b-energy)


---

Source: https://comparepv.com/hiwatt-solar-vs-a-b-energy

Not in this file, on the page: the distributions above drawn as charts.