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Renewable Systems Flashcards

7 cards from real CPACE practice questions. Tap to flip, then mark Knew It or Still Learning โ€” missed cards come back until you master them.

Read the first 7 Renewable Systems flashcards as text
  1. A PACE program administrator reviews a project proposal for a rooftop solar installation on a property with an existing mortgage. Which lender action is typically required before PACE financing can proceed?

    Answer: Lender consent or acknowledgment of the PACE lien

    Many PACE programs require existing mortgage lenders to consent to or acknowledge the PACE assessment lien before the project can close.

  2. For a PACE-financed commercial solar project, which financial metric accounts for the time value of money when evaluating long-term project savings?

    Answer: Net present value (NPV)

    Net present value discounts future energy savings to today's dollars, allowing a true apples-to-apples comparison of upfront costs versus long-term benefits.

  3. Which renewable technology harnesses temperature differentials between underground soil and a building's HVAC system to provide heating and cooling?

    Answer: Geothermal (ground-source) heat pumps

    Ground-source heat pumps exchange heat with the earth, exploiting the relatively stable underground temperature to provide efficient heating and cooling.

  4. In a PACE project's energy model, which variable most directly affects the estimated annual solar energy production (kWh/year) for a fixed-tilt system?

    Answer: Peak sun hours at the project site

    Peak sun hours represent the effective daily solar irradiance, and multiplying system capacity by peak sun hours gives the primary estimate of annual energy production.

  5. A commercial PACE project adds a solar-plus-storage system. During a grid outage, the battery enables the building to operate in which mode?

    Answer: Island mode (microgrid operation)

    Island mode allows the battery-backed solar system to power critical loads independently during a grid outage, disconnected from the utility grid.

  6. Which standard governs the interconnection of distributed energy resources, including PACE-financed solar, to the utility distribution system in the United States?

    Answer: IEEE Standard 1547

    IEEE 1547 sets the technical requirements for interconnecting distributed energy resources to electric power systems at the distribution level.

  7. A PACE assessor determines that a proposed biogas system on a commercial property qualifies as a renewable energy improvement. Which feedstock makes this determination most straightforward?

    Answer: Landfill gas or agricultural waste methane

    Biogas derived from landfill gas or agricultural waste is broadly recognized as a renewable energy source, making PACE eligibility determination straightforward.