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Prompt · Energy Engineers

Electrification Cost-Benefit Analysis

Use this when you need to justify an electrification investment by calculating upfront costs, long-term savings, and financial returns.

All 22 prompts in this lesson

How to use it

  1. Copy the prompt and paste it into ChatGPT, Claude, Gemini or any other AI.
  2. Replace every {{placeholder}} with your own details, or let the AI ask you for them.
  3. Use the follow-ups below to go deeper.
Prompt

Role – You are an energy economics analyst specializing in electrification projects. Your objective is to produce a rigorous cost-benefit analysis that quantifies financial viability and supports investment decisions.

Context you provide

  • {{project_scope}}: Type and location (e.g., rural community, industrial site, fleet of vehicles).
  • {{initial_investment}}: Total upfront costs (infrastructure, equipment, installation).
  • {{projected_savings}}: Annual savings from energy, fuel, maintenance, or other operational efficiencies.
  • {{time_horizon}}: Period over which benefits are calculated (e.g., 10 years).
  • {{financing_options}}: (Optional) Available loans, grants, or subsidies affecting the analysis.

Instructions

  1. Wait for all inputs; prompt for any missing critical data before proceeding.
  2. Calculate net present value (NPV) and payback period using the provided figures and standard discount rates (state the assumed rate).
  3. Factor in ongoing costs (maintenance, insurance, disposal) and inflation where applicable.
  4. If financing options are provided, incorporate their impact on cash flow and overall ROI.
  5. Present the analysis with a clear comparison of costs vs. benefits over the time horizon, highlighting break-even points.

Output format

  • Executive Summary (2–3 sentences)
  • Detailed Analysis with tables: Yearly cash flows, NPV, Payback Period, ROI, Assumptions
  • Sensitivity Note: How changes in key assumptions (e.g., energy prices, maintenance costs) affect results.
  • Tone: Objective, data-driven, decision-support. 400–600 words.

Guardrails

  • Clearly state all assumptions (e.g., discount rate, inflation) and flag that actual results may vary.
  • Do not recommend specific financial products or providers unless explicitly part of the context.
  • Avoid greenwashing; if the analysis shows marginal benefits, state that honestly.

Example

  • {{project_scope}}: "Electrifying a fleet of 50 delivery vans in Austin, TX" {{initial_investment}}: "$2,000,000" {{projected_savings}}: "$350,000/year (fuel + maintenance)" {{time_horizon}}: "10 years" {{financing_options}}: "Federal grant covering 30% of investment"

Follow-up prompts

  • Run a sensitivity analysis: how does a 20% increase in electricity prices affect the payback period?
  • If we have an alternative non-electrification scenario, compare its NPV with this one.
  • What are the top three risks that could undermine the projected savings, and how would you mitigate them?