Path-Q Solar

Should I size my system differently when exported solar power is paid at a low rate?

Answer

Often yes: prioritize capacity that offsets on-site purchases and consider future loads, storage, and roof constraints rather than automatically maximizing annual generation.

Key points

  • A smaller system can have higher value per installed dollar.
  • Daytime load shifting may improve self-consumption.
  • Battery economics must be evaluated separately.

What it depends on

  • Export compensation
  • Load timing
  • Future demand and storage cost

Risks and trade-offs

  • Undersizing may require later expansion.
  • A battery can add cost, losses, and replacement exposure.

Information you may need

  • Hourly loads
  • Export tariff
  • System cost by size

Your next step

What to do next

Compare system sizes using self-consumption, exports, annual savings, and total installed cost.

Path-Q

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Some details may depend on your location, installer, utility, incentives, regulations, or specific property.

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