Let's cut through the confusion first - photovoltaic panel pricing isn't as straightforward as buying milk. Current market data shows wild variations:
Why does that 1m×2m panel cost anywhere between ¥2,000-¥5,000? It's like comparing a bicycle to a Tesla - both have wheels but different performance. Conversion efficiency (18-22% for new panels) directly impacts power output and pricing.
Your 400W panel isn't a slot machine spitting out 400W constantly. Real-world generation follows the sun's rhythm:
Panel costs are just the tip of the solar expenditure iceberg. Hidden beneath:
2025's solar market resembles a rollercoaster:
Let's crunch numbers for a typical 5kW system:
| System Cost | ¥25,000-¥35,000 |
| Annual Generation | 6,500-7,300kWh |
| Payback Period | 6-8 years |
New players are changing the game:
Remember that ¥1.5/W panel? It's like buying a parachute from a dollar store - works until it doesn't. Tier-1 manufacturers maintain strict quality controls, while uncertified panels show 3x higher failure rates within 5 years.
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