Coal, Natural Gas, and Gen IV SMRs
A Comparative Analysis of Baseload Electric Power Generation Under Optimized Assumptions
Assumptions
| Factor | Assumption |
|---|---|
| CO₂ | Not considered a pollutant or is captured/stored later |
| Water Use | Regulated across all sources; cooling towers or dry cooling required |
| Compliance Cost | Nuclear no longer burdened by long licensing and construction delays |
| Coal Waste | Treated as valuable raw material (e.g., fly ash for cement, gypsum from scrubbers) |
| Nuclear Tech | Gen IV SMRs in widespread use (e.g., 50–300 MWe units, modular build, passive safety) |
| Grid Role | All three provide baseload or load-following power |
| Fuel Pricing | Moderate and stable (no energy crisis or supply chain disruptions) |
Performance Comparison
| Category | Coal (IGCC + Scrubbers) | Natural Gas (CCGT) | Nuclear (Gen IV SMRs) |
|---|---|---|---|
| Thermal Efficiency | 40–45% | 55–62% | 30–35% |
| CAPEX ($/kW) | $3,500–5,000 | $900–1,300 | \(4,000–7,000 (modularized) | | **O&M Cost (\)/MWh) ** |
| –––– | —————— | —–– | |
| Coal (IGCC w/scrubbers) | ~$75–95 | Lower with valuable waste | |
| Natural Gas (CCGT) | ~$45–70 | Highly competitive if fuel costs are stable | |
| Gen IV SMRs | ~$65–85 | Assuming factory production and streamlined permitting |
Final Verdict (Under Optimized Assumptions)
- Most Economical Short-Term: Natural Gas
- Most Strategic Long-Term: Gen IV SMRs
- Most Viable if Industrial Ecosystem Exists: Clean Coal
All three could coexist in a diversified, stable energy grid:
- Coal filling a regional or industrial niche,
- Gas providing flexibility and economy,
- SMRs ensuring long-term sustainability and energy security.
Write a comment