Energy consulting cases are surging in frequency as the global energy transition reshapes a $10-trillion industry. Based on our analysis, energy-related cases have doubled in MBB interviews over the past three years, driven by massive capital allocation decisions around renewables, grid modernization, and decarbonization.
The Energy Landscape: Three Sectors in Transition
Every energy case fits into one of three sub-sectors, each with distinct economics and regulatory dynamics:
| Sub-Sector | Revenue Model | Key Challenge | Common Case Type |
|---|---|---|---|
| Oil & Gas | Commodity pricing, volume-driven | Decarbonization pressure, stranded asset risk | Portfolio strategy, diversification into renewables |
| Renewables | Long-term power purchase agreements (PPAs) | Intermittency, grid connection, permitting | Investment evaluation, project economics |
| Utilities | Regulated rate base, guaranteed return | Grid modernization, distributed energy disruption | Rate case optimization, capital planning |
Understanding which sub-sector you are working in determines the framework. An oil major diversifying into renewables faces a fundamentally different problem than a utility planning grid upgrades.
Use this decision tree to identify the right analytical approach for any energy case:
flowchart TD
A[Energy Case] --> B{Which sub-sector?}
B -->|Oil & Gas| C[Portfolio Strategy]
B -->|Renewables| D[Project Economics]
B -->|Utilities| E[Rate Case Analysis]
C --> C1[Stranded asset risk?]
C1 -->|Yes| C2[Divestiture / Transition plan]
C1 -->|No| C3[Diversification into renewables]
D --> D1[Calculate LCOE]
D1 --> D2[Compare to PPA price]
D2 --> D3[Evaluate subsidy impact]
E --> E1[Understand rate base]
E1 --> E2[Map capital investments]
E2 --> E3[Balance stakeholder interests]
Four Case Types That Dominate Energy Interviews
1. Renewable Energy Investment
Should a company invest in a solar, wind, or battery storage project? These cases test your ability to evaluate project economics using levelized cost of energy (LCOE), capacity factor, and internal rate of return. LCOE for utility-scale solar has fallen roughly 90% since 2010, now averaging $30-40 per MWh in favorable locations. Browse energy sector cases for practice scenarios.
2. Energy Transition Strategy
How should a traditional oil and gas company reposition for a low-carbon future? This is a growth strategy question at its core, but with industry-specific layers: stranded asset valuation, carbon pricing scenarios, and portfolio rebalancing between legacy and emerging businesses.
3. Utility Rate Case
How should a regulated utility set its rates after a major capital investment? These cases require understanding cost-of-service regulation, rate base calculations, and the balance between affordability, reliability, and clean energy mandates. See our utilities case interview guide for a deeper dive on regulatory frameworks.
4. EV Infrastructure Deployment
Where and how should a company deploy electric vehicle charging stations? This combines market entry analysis with network planning, real estate economics, and utilization forecasting. EV adoption is projected to reach 30-40% of new car sales in major markets by 2030.
Energy-Specific Metrics to Know
When you encounter an energy case, these metrics signal fluency:
- LCOE (Levelized Cost of Energy): Total lifetime cost divided by total lifetime energy output. The single most important metric for comparing generation technologies.
- Capacity factor: Actual output divided by maximum possible output. Solar averages 20-25%, onshore wind 30-40%, natural gas 50-60%.
- ROIC (Return on Invested Capital): Critical for capital-intensive energy projects. Traditional utilities target 8-10%; renewable projects aim for 8-12%.
- Carbon intensity (tCO2/MWh): Measures emissions per unit of electricity. Coal averages 0.9-1.0, natural gas 0.4-0.5, renewables near zero.
Structuring an Energy Case
A strong approach to energy cases incorporates these five elements:
- Regulatory environment – What subsidies, mandates, or carbon pricing mechanisms apply? Government policy is often the single largest variable in energy economics.
- Capital requirements and timing – Energy projects involve large upfront investments with 20-30 year payback horizons. Map the investment timeline and financing structure.
- Technology risk – Is the technology proven at scale? What is the learning curve trajectory?
- Market dynamics – Supply-demand balance, commodity price forecasts, and competitive landscape.
- ESG and stakeholder considerations – Investor expectations, community impact, and environmental commitments increasingly shape strategic decisions.
In our experience, the candidates who stand out on energy cases are those who can quantify trade-offs between economic return and decarbonization goals rather than treating them as separate analyses.
Key Takeaways
- Energy cases have doubled in MBB interview frequency, driven by the multi-trillion-dollar energy transition
- Always identify the sub-sector (oil and gas, renewables, utilities) first – each has fundamentally different economics and regulatory frameworks
- LCOE, capacity factor, and carbon intensity are the metrics that demonstrate energy sector fluency
- Renewable investment cases hinge on project economics: LCOE comparisons, PPA terms, and subsidy structures
- Government policy is often the single largest variable in energy cases; always ask about the regulatory environment early
Put these frameworks to work with our energy industry cases, or simulate a full energy case with an AI Mock Interview to get real-time feedback on your structure and analysis.