Grow a Solar Installation and Maintenance Company Tenfold in Two Years

Quick Overview

A product strategy question about growing a healthy solar panel installation and maintenance company tenfold within two years. It tests how you define the target, diagnose growth constraints, size and prioritize growth levers, sequence a plan, and track it with metrics and guardrails.

Grow a Solar Installation and Maintenance Company Tenfold in Two Years

Company: Google

Role: Product Manager

Category: Product Design & Strategy

Difficulty: medium

Interview Round: Other

You are a product manager at a company that deploys solar technology, including solar panels: it installs the systems and provides maintenance services for them. The business is performing well today, but you have been asked to grow it tenfold within the next two years. What would you do? ```hint Do the math on 10x first Work out what tenfold growth in two years demands from the current installation business each year. The gap between that and realistic organic growth tells you which other levers you need. ``` ### Clarifying Questions - Tenfold growth in what: revenue, installed capacity, customers or profit? Must the company stay profitable along the way? - Who are the customers today (homeowners, businesses, utilities, public buildings), and in which regions does the company operate? - What limits installation volume today: sales leads, trained crews, permitting and grid connection, equipment supply, or customer financing? - Are acquisitions, financing products such as leases, or entirely new offerings within scope? ### What a Strong Answer Covers - A precise growth metric and an explicit check of how far the current model can grow in two years - A breakdown of growth levers (more installations, higher revenue per customer, new segments, new regions, recurring services, acquisitions) and the constraint that limits each - A few prioritized bets that build on the company's installation and maintenance strengths, sequenced across the two years and shown to add up to the target - Leading indicators and milestones that reveal early whether the plan is on track, with guardrails on margin, quality and safety - Solar-specific risks: installer capacity, permitting and grid connection delays, incentive and policy changes, equipment supply, and the cash that fast growth consumes ### Follow-up Questions - Your analysis shows tenfold growth is out of reach in two years without acquisitions. How do you present that to leadership? - Six months in, which leading indicator would tell you the plan is failing, and what would you do then? - How would your plan change if a major incentive for residential solar were cut next year?

Overview: A product strategy question about growing a healthy solar panel installation and maintenance company tenfold within two years. It tests how you define the target, diagnose growth constraints, size and prioritize growth levers, sequence a plan, and track it with metrics and guardrails.

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Google
Apr 14, 2026
mediumProduct ManagerOtherProduct Design & Strategy
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You are a product manager at a company that deploys solar technology, including solar panels: it installs the systems and provides maintenance services for them. The business is performing well today, but you have been asked to grow it tenfold within the next two years. What would you do?

Clarifying Questions Guidance

  • Tenfold growth in what: revenue, installed capacity, customers or profit? Must the company stay profitable along the way?
  • Who are the customers today (homeowners, businesses, utilities, public buildings), and in which regions does the company operate?
  • What limits installation volume today: sales leads, trained crews, permitting and grid connection, equipment supply, or customer financing?
  • Are acquisitions, financing products such as leases, or entirely new offerings within scope?

What a Strong Answer Covers Guidance

  • A precise growth metric and an explicit check of how far the current model can grow in two years
  • A breakdown of growth levers (more installations, higher revenue per customer, new segments, new regions, recurring services, acquisitions) and the constraint that limits each
  • A few prioritized bets that build on the company's installation and maintenance strengths, sequenced across the two years and shown to add up to the target
  • Leading indicators and milestones that reveal early whether the plan is on track, with guardrails on margin, quality and safety
  • Solar-specific risks: installer capacity, permitting and grid connection delays, incentive and policy changes, equipment supply, and the cash that fast growth consumes

Follow-up Questions Guidance

  • Your analysis shows tenfold growth is out of reach in two years without acquisitions. How do you present that to leadership?
  • Six months in, which leading indicator would tell you the plan is failing, and what would you do then?
  • How would your plan change if a major incentive for residential solar were cut next year?