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Astronergy Solar Panels Calculator

Bloomberg Tier 1 TOPCon panels from CHINT Group. Select ASTRO 7N 605W (22.7%), ASTRO 6N 580W bifacial, or ASTRO 5N 460W black-frame — get panel count, application-specific bifacial gain, 25-year production at 0.40%/yr degradation, and 30-year performance warranty details.

Astronergy model & system inputs
kW
hrs/day
$/kWh
ASTRO 7N 605W TOPCon (22.7%) — Astronergy flagship — 605W TOPCon with 22.7% efficiency and 30-year performance warranty
Astronergy results
Recommendation
17x ASTRO 7N — 605W TOPCon flagship at ~$2.7/W. Bloomberg Tier 1, 22.7% efficiency, 30-yr performance warranty. Strong value vs JinkoSolar Tiger Neo (saves ~$1,440 after ITC).
MetricTOPCon N-type
Panels needed17 panels @ 605W
Actual system size10.29 kW
Panel efficiency22.7%
ApplicationResidential rooftop
Bloomberg Tier 1Yes — bankable for project financing
System cost range$25,713 – $29,827
ITC credit (30%)$8,331
Net cost after ITC$19,439
Year 1 production15,016 kWh/yr
25-year total production350,765 kWh
Annual savings$3,304/yr
25-year savings$77,168
Simple payback (after ITC)5.9 years
Temperature coefficient-0.29%/°C
Hot day output loss (35°C rise)10.1% → 9.24 kW effective
Annual degradation rate0.4%/yr
Year 25 output remaining89.0%
Product warranty25 years
Performance warranty30 years
vs JinkoSolar Tiger Neo costSave ~$1,440 after ITC
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How to Use This Calculator

Select your Astronergy ASTRO model

Astronergy (a CHINT Group company) produces three N-type TOPCon panel lines. The ASTRO 7N is the 605W flagship — their highest-output single panel — at 22.7% efficiency with a 30-year performance warranty. The ASTRO 6N 580W is a bifacial variant ideal for commercial rooftops and ground-mount installations where rear-side light capture adds meaningful production. The ASTRO 5N 460W features a black aluminium frame for homeowners who want a clean, low-contrast rooftop aesthetic without compromising TOPCon efficiency.

Enter system kW, application, PSH, and electricity rate

The application selector controls bifacial rear-gain modeling: utility farm-scale receives 12% rear gain, commercial rooftops 8%, and residential installs 3%. Astronergy's ASTRO panels carry a 0.40%/yr annual degradation rate — within the premium TOPCon range, with a 30-year performance warranty guaranteeing linear output through year 30.

Understand Bloomberg Tier 1 status

Astronergy has maintained Bloomberg NEF Tier 1 status and is part of the CHINT Group, one of China's largest electrical equipment conglomerates with over $15 billion in annual revenues. This financial backing is important for 30-year warranty claims — a company that won't exist in 2050 cannot honor a performance guarantee.

The Formula

Panels Needed = ⌈System kW × 1000 ÷ Panel Watts⌉ Year 1 Production = System kW × PSH × 365 × 0.80 × Bifacial Bonus Bifacial Bonus: Utility = 1.12 | Commercial = 1.08 | Residential = 1.03 Year N Production = Year 1 × (1 − 0.40%/yr)^N × (1 − 2% first-year) 25yr Advantage vs PERC = ASTRO 25yr Total − PERC 25yr Total (0.55%/yr) ITC = Gross Cost × 30% Net Cost = Gross Cost − ITC

Astronergy's 0.40%/yr degradation sits between Q CELLS' 0.30%/yr (best in class) and standard PERC's 0.55%/yr. Over 25 years, this still produces approximately 5,000–8,000 additional kWh compared to PERC on a typical 10 kW system. The ASTRO 7N's 605W output means fewer panels per kW, which reduces racking, wiring, and installation labor costs on large systems.

Example

SunFarm LLC — 1 MW utility, Texas, bifacial ground mount

A Texas utility-scale developer installs a 1,000 kW (1 MW) farm using ASTRO 6N 580W bifacial panels on single-axis trackers over sandy white soil. They sell power at $0.07/kWh PPA and need to model total 25-year production.

Panel modelASTRO 6N 580W Bifacial
System size1,000 kW (1 MW)
ApplicationUtility farm scale
Peak sun hours5.5 hrs/day
PPA rate$0.07/kWh

Results

Panels needed1,725 panels (1,000.5 kW actual)
System cost range~$2.3M – $2.7M
Net after 30% ITC~$1.75M
Bifacial rear gain+12% (utility, high albedo)
Year 1 production~1,762,000 kWh
25-year production~41,800,000 kWh
25-year PPA revenue~$2,926,000
Simple payback~5.9 years

The 12% bifacial rear-gain at utility scale adds approximately 191,000 kWh in year 1 alone — worth $13,370 extra PPA revenue annually. Over 25 years, bifacial capture contributes an additional ~4.4 million kWh, worth ~$308,000 at $0.07/kWh. This more than pays for any bifacial panel premium. Astronergy's competitive pricing at ~$2.50/W makes the ASTRO 6N a strong utility-scale choice.

Astronergy ASTRO Model Comparison

Spec ASTRO 7N 605W ASTRO 6N 580W ASTRO 5N 460W
TechnologyTOPCon N-typeTOPCon BifacialTOPCon Black
Efficiency22.7%22.5%22.0%
Degradation/yr0.40%0.40%0.40%
Temp coefficient-0.29%/°C-0.29%/°C-0.29%/°C
Performance warranty30 years30 years30 years
Black frameNoNoYes
$/W approx.$2.50–2.90$2.30–2.70$2.40–2.80

FAQ

Astronergy has maintained Bloomberg NEF Tier 1 status and is owned by CHINT Group, one of China's largest electrical equipment manufacturers with over $15 billion in annual revenues and operations in 140+ countries. This financial backing significantly strengthens the credibility of their 30-year performance warranty. CHINT's scale means Astronergy can source cells, glass, and encapsulant at competitive prices, which translates into competitive $/W for end customers. Their ASTRO N-type series regularly appears in PVEL Solar Module Scorecards with above-average energy yield ratings.
Astronergy's 0.40%/yr degradation sits in the middle of the premium TOPCon tier. For comparison: Q CELLS 0.30%/yr (best in class), Risen Energy 0.30%/yr, JinkoSolar Tiger Neo 0.40%/yr (same), standard PERC 0.55–0.60%/yr. Over 25 years on a 10 kW system in a 5 PSH location, the difference between 0.40% and 0.55%/yr degradation amounts to approximately 5,000–7,000 kWh — worth $900–$1,260 at $0.18/kWh. Astronergy and Jinko Tiger Neo deliver equal degradation performance at similar price points, making both strong value TOPCon choices.
The ASTRO 5N Black Series features a black aluminium frame (as opposed to the standard silver/grey frame) for a cleaner, lower-contrast look on dark roofs. It uses the same TOPCon N-type cells as standard ASTRO panels — no efficiency compromise from the aesthetic modification. The black frame typically costs $0.05–0.15/W more than the equivalent silver-frame panel. For homeowners with dark tile or asphalt shingle roofs, or those in HOA communities with aesthetic restrictions, the black frame adds visual value that many find worthwhile. It is not a full black-backsheet panel (like the Q CELLS Q.PEAK BLK) — the cell backsheet remains white, only the frame is black.
Yes — Astronergy is the solar panel brand of CHINT Group, previously marketed in some regions as CHINT Solar. The Astronergy brand was introduced to differentiate their premium N-type product line from earlier CHINT P-type panels. CHINT Group holds majority ownership of Astronergy, providing the balance sheet strength for 30-year warranty claims. Some older documentation and datasheet comparisons may still reference CHINT Solar — they are the same manufacturing entity.

Related Calculators

☀ Risen Energy Solar Calculator
HJT 605W vs TOPCon 600W — Risen's tier-1 alternative at similar price.
⚡ JinkoSolar Specs Calculator
World's #1 by volume — Tiger Neo TOPCon at same 0.40%/yr degradation.
📉 Panel Degradation Calculator
Model Astronergy's 0.40%/yr over 25 years vs any competitor rate.
🏢 Commercial Solar Calculator
Full commercial system sizing for ASTRO 6N and 7N at scale.

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