Path-Q Solar

What information is needed to estimate solar savings for a rental property?

Answer

You need the property's electricity bills and usage pattern, who pays the bills, meter and tariff details, ownership and lease arrangements, roof and site information, proposed system design, and any restrictions on allocating or recovering the savings. The financial result differs greatly depending on whether the landlord, tenant, or a shared arrangement receives the benefit.

Key points

  • Identify the account holder and who pays energy charges before assigning savings to the owner.
  • Collect bills for enough months to capture seasonal usage, preferably interval data.
  • Determine whether the system serves common areas, tenant meters, or both.
  • Review lease terms, rent rules, metering arrangements, roof rights, insurance, and maintenance responsibilities.
  • Model ownership, financing, lease, or PPA structures separately.

What it depends on

  • Meter ownership and billing responsibility
  • Tenant usage and lease terms
  • System size, production, and interconnection design
  • Tariff, export value, and applicable incentives
  • Expected tenant and property ownership periods

Risks and trade-offs

  • The party paying for solar may not be the party receiving the bill savings.
  • Tenant turnover can change consumption and the timing of benefits.
  • Contractual or regulatory restrictions may limit rent adjustments, energy charges, or cost recovery.

Information you may need

  • Recent utility bills and interval data for each relevant meter
  • Leases and responsibility for utilities, roof, and maintenance
  • Property ownership and financing objectives
  • Roof, electrical, shading, and proposed system information
  • Current tariff, incentive, and allocation rules

Your next step

What to do next

Create a property-level cash-flow model that identifies who pays, who saves, and who bears each cost under the intended ownership and lease structure.

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SQ01448