--- title: "Einnova Solarline ESM-530T 530W Solar Panel - Specs & Review | ComparePV" description: "Einnova Solarline ESM-530T 530W solar panel. Specs: 22.32% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/einnova-solarline-esm-530t" updated: 2026-09-11 --- # Einnova Solarline ESM-530T Light for its output, weak in heat 432 panels in the segment TOPCon 500-550 W ## Identity - **Manufacturer:** Einnova Solarline - **Model:** ESM-530T - **Series:** ESM Series - **Rated power:** 530 W - **Cell technology:** TOPCon ## How it compares Compared against segment TOPCon 500-550 W (432 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 530 W | 510 W | Strong - top 15% | | | Module efficiency | 22.32% | 22.73% | Weak - bottom 22% | 5,067 | | Power density | 223.2 | 227.4 | Weak - bottom 21% | 5,050 | | Temperature coefficient | -0.310 | -0.290 | Weak - bottom 9% | 8,005 | | Weight (kg) | 25.0 kg | 27.0 kg | Strong - top 22% | | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 22.32% | 22.73% | Weak - bottom 22% | 5,067 | | Power density | 223.2 | 227.4 | Weak - bottom 21% | 5,050 | | Temperature coefficient | -0.310 | -0.290 | Weak - bottom 9% | 8,005 | | Weight per kWp | 47.2 | 52.4 | Strong - top 22% | 1,525 | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Strengths - **47.2 kg per kWp** - Top 22% of the TOPCon 500-550 W segment, against a median of 52.4. ### Watch out for - **-0.310 %/°C temperature coefficient** - Bottom 9% of the TOPCon 500-550 W segment, against a median of -0.290. Ranked 8,005th in the whole database. - **223.2 watts per square metre** - Bottom 21% of the TOPCon 500-550 W segment, against a median of 227.4. - **22.32% module efficiency** - Bottom 22% of the TOPCon 500-550 W segment, against a median of 22.73%. - **Best for:** Residential, commercial and shaded-installations. - **Not ideal for:** Hot climates, roofs where every square metre has to count and tight roof space. ## Specification ### Electrical - **Rated power (Pmax):** 530 W - **Efficiency:** 22.32 % - **Voltage at Pmax (Vmp):** 39.00 V - **Current at Pmax (Imp):** 13.59 A - **Open-circuit voltage (Voc):** 46.30 V - **Short-circuit current (Isc):** 14.27 A - **Max system voltage:** 1500 V ### Temperature - **Temperature coefficient of Pmax:** -0.310 %/degC - **Temperature coefficient of Voc:** -0.260 %/degC - **Temperature coefficient of Isc:** 0.046 %/degC - **NOCT:** 45 degC ### Cell and construction - **Cell type:** Monocrystalline - **Cell technology:** TOPCon - **Cell count:** 132 ### Physical - **Length:** 2094 mm - **Width:** 1134 mm - **Thickness:** 30 mm - **Weight:** 25.0 kg - **Area:** 2.37 m2 - **Power density:** 223.2 Wp/m2 ### Warranty and degradation - **Product warranty:** 12 years - **Performance warranty:** 30 years - **Output guaranteed at end of warranty:** 87.4 % - **First-year degradation:** 1.00 % - **Annual degradation:** 0.40 % - **Output after 30 years:** 463 W ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 5067 of 14005 | | Power density | 5050 of 14005 | | Temperature coefficient | 8005 of 14005 | | Weight | 1525 of 14005 | | Warranty | 21 of 14005 | ## Pros - **Premium-Class Efficiency: Up to 23.16%** - The ESM series delivers efficiency in the range of 22.32–23.16%, while direct competitors in the 550 Wp segment — Goldi Solar GS10-B144-TF, IBC Solar 182M Half Cell, and S-Energy SL65-72BGJ — top out at 21.28–21.30%. The ~1.9 percentage-point advantage translates into measurably higher energy yield from the same roof area. - **N-Type TOPCon Technology: Lower Degradation** - N-type TOPCon cells are inherently resistant to light-induced degradation (LID) and light- and elevated temperature-induced degradation (LeTID), both of which affect older P-type PERC cells. Industry research (Wiley/Progress in Photovoltaics, 2025) confirms annual TOPCon degradation of ≤0.40% from year 2 onward, resulting in >87.4% of nominal power retained after 30 years of operation. - **30-Year Linear Power Warranty** - The manufacturer offers a 30-year performance warranty — in line with the current premium TOPCon standard (JinkoSolar Tiger Neo, Risen Energy) — guaranteeing ≥87.4% of nominal power after 30 years and annual degradation of ≤0.40%. This is a clear advantage over legacy PERC series, which typically warrant only 25 years at ≥84.8% of nominal power. - **High Power Density: 530–550 Wp per Panel** - The combination of up to 23.16% efficiency and a power output range of 530–550 Wp enables maximum generation within a constrained roof area — a critical factor in prosumer installations where every m² counts. At this efficiency level, the ESM series generates approximately 8–9% more energy per m² than peer-comparable panels at the same wattage. ## Cons - **Product Warranty: Only 12 Years** - The standard product warranty for the ESM series is 12 years, while leading TOPCon manufacturers in 2025 offer 15–25 years (JinkoSolar Tiger Neo: 25 years, Trina Vertex S+: 15 years, LONGi Hi-MO 6: 15 years). The shorter coverage period may be a material risk factor when evaluating commercial installations and projects subject to bankability requirements. - **Monofacial Design — No Bifacial Gain** - The ESM series is monofacial (is\_bifacial: false), precluding the additional 5–15% yield gain from ground-reflected irradiance (albedo). As of 2025, the majority of 550 Wp TOPCon panels available in a comparable price tier offer bifaciality as standard, making the absence of this feature a tangible limitation for ground-mount installations and rooftops with light-colored surfaces. - **No Confirmed BNEF Tier 1 Status** - Einnova Solarline does not appear on available public BNEF Tier 1 lists (Q1–Q4 2025). Tier 1 status is required by most independent commercial banks for project financing above 10 MW — the absence of this classification may complicate access to external financing for large-scale installations and narrows the pool of potential institutional buyers. ## About this series The ESM series from Einnova Solarline consists of technologically advanced modules that utilize **monocrystalline PERC cells** to maximize energy yields from every ray of sun. A key feature of this series is the use of a **half-cut design**, which significantly reduces internal losses and improves the efficiency of the entire system in partial shading conditions. This solves the common problem of power drops in the Polish climate, where cloud cover can be very variable. Thanks to full **PID resistance**, users avoid the risk of sudden performance degradation over time, ensuring financial security and production stability for years. The ESM series was designed for demanding prosumer installations and large commercial projects, offering an optimal balance between innovation and durability. It stands out from the competition with its **high mechanical strength** against snow loads and gusty winds, confirmed by rigorous certifications. These panels are perfect for roofs with limited space, delivering more power thanks to their **high energy density**. Investing in this series is a choice of reliability that effectively shortens the payback period of a photovoltaic system through stable operation in harsh environmental conditions. This technology was created for those seeking solutions resistant to aging and the influence of external factors. ## Notable figures - At 22.3% efficiency, this panel is on par with typical \*\*TOPCon 500-550W\*\* modules - 223.2 W/m² power density is 4.2 W/m² below \*\*TOPCon 500-550W\*\* median (227.4 W/m²) - requires larger installation area - At -0.31%/°C, loses 0.02pp more power per degree than \*\*TOPCon 500-550W\*\* median (-0.29%/°C) - Weight of 25.0 kg (2.0 kg below \*\*TOPCon 500-550W\*\* median of 27.0 kg) allows easier transport and roof mounting - In the top 36% for efficiency among all TOPCon panels ## Questions ### What warranty does the ESM series from Einnova Solarline offer? The ESM series is backed by a 12-year product warranty covering material and workmanship defects, as well as a 30-year linear power output warranty. This means the manufacturer guarantees a defined performance level for three decades — a premium industry standard that provides investment confidence throughout the entire operational lifetime of the system. ### What is TOPCon technology and how does it differ from PERC used in older panels? TOPCon (Tunnel Oxide Passivated Contact) is a next-generation N-type cell technology characterized by lower first-year degradation and higher conversion efficiency compared to PERC cells. ESM panels achieve output of up to 550 Wp precisely because of this technology. In practice, this translates to more energy generated from the same roof area and better performance under high-temperature conditions as well as on overcast days. ### Do Einnova Solarline ESM series panels perform well in winter and under low-irradiance conditions typical of Poland? Yes. TOPCon cells exhibit excellent characteristics under low-angle irradiance and diffuse radiation, which are typical of Polish autumn and winter months. The half-cut cell technology additionally minimizes the impact of partial shading on the entire string, allowing the panel to maintain relatively high energy output even under variable cloud cover. ### What is the maximum power output of the ESM panel, and is it sufficient for a single-family home? The peak power of the ESM panel is 550 Wp. For a typical single-family home consuming 4,000–5,000 kWh per year, 8 to 12 modules are generally sufficient, which — given their high energy density — corresponds to a 5.5–6.6 kWp system requiring a relatively small roof area. This makes it an attractive solution for rooftops with limited usable surface. ### Is the Einnova Solarline ESM 550W panel monofacial or bifacial? The ESM 550W is a monofacial module that absorbs irradiance exclusively from the front side. It does not require a high-albedo substrate or elevated mounting above the ground surface, which simplifies installation on standard pitched and flat roofs. This makes it a practical choice for typical prosumer systems where optimizing the albedo of the surrounding environment is neither necessary nor feasible. ### Is the Einnova Solarline ESM series suitable for large commercial installations, or only for residential use? The ESM series was designed with both applications in mind. The high unit power of 550 Wp combined with robust mechanical resistance to snow and wind loads makes it suitable for residential prosumer rooftop systems as well as utility-scale ground-mount farms and industrial rooftop installations on warehouses and production facilities. The 30-year linear power warranty further aligns with the stringent requirements of large-scale commercial projects. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/topcon-n-m530-550-white-4fcb79771bc3.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [Longi Solar LR7-54HJD-510M](https://comparepv.com/panel/longi-lr7-54hjd-510m) | 510 W | -20 W, cooler, +2.7 pp | | [AIKO AIKO-A495-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a495-mce54mw) | 495 W | Cooler, lighter, +2.5 pp | | [Longi Solar LR7-60HVH-560M](https://comparepv.com/panel/longi-lr7-60hvh-560m) | 560 W | +30 W, cooler, +2.5 pp | | [Longi Solar LR7-54HJD-505M](https://comparepv.com/panel/longi-lr7-54hjd-505m) | 505 W | -25 W, cooler, +2.4 pp | | [Longi Solar LR7-60HVH-555M](https://comparepv.com/panel/longi-lr7-60hvh-555m) | 555 W | +25 W, cooler, +2.3 pp | | [AIKO AIKO-A490-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a490-mce54mw) | 490 W | -40 W, cooler, +2.2 pp | | [Longi Solar LR7-54HJD-500M](https://comparepv.com/panel/longi-lr7-54hjd-500m) | 500 W | -30 W, cooler, +2.2 pp | | [Einnova Solarline ESM-535T](https://comparepv.com/panel/einnova-solarline-esm-535t) | 535 W | Very close match | | [Einnova Solarline ESM-540T](https://comparepv.com/panel/einnova-solarline-esm-540t) | 540 W | +10 W, +0.4 pp | | [Einnova Solarline ESM-545T](https://comparepv.com/panel/einnova-solarline-esm-545t) | 545 W | +15 W, +0.6 pp | | [Einnova Solarline ESM-550T](https://comparepv.com/panel/einnova-solarline-esm-550t) | 550 W | +20 W, +0.8 pp | | [Gamko New Energy GKA120N-PRO-590W](https://comparepv.com/panel/gamko-new-energy-gka120n-pro-590w) | 590 W | +60 W, heavier, +1.5 pp | | [Gamko New Energy GKA120N-PRO-585W](https://comparepv.com/panel/gamko-new-energy-gka120n-pro-585w) | 585 W | +55 W, heavier, +1.3 pp | | [Bisol BGO 580](https://comparepv.com/panel/bisol-bgo-580) | 580 W | +50 W, cooler, +1.2 pp | | [Gamko New Energy GKA120N-PRO-580W](https://comparepv.com/panel/gamko-new-energy-gka120n-pro-580w) | 580 W | +50 W, heavier, +1.1 pp | --- Source: https://comparepv.com/panel/einnova-solarline-esm-530t Not in this file, on the page: the I-V and temperature curves lifted from the manufacturer's datasheet, a thirty-year output simulator and alternatives filtered by how closely they match these dimensions.