Table 8. CCTI Requirements for Qualifying Combined Heat and Power Systems
| System Sizea | Minimum Electric or Mechanical Power (Percent) | Minimum Useful Thermal Output (Percent) | Minimum Overall System Efficiency (Percent) |
| Less than 50 Megawatts | 20 | 20 | 60 |
| Greater than 50 Megawatts | 20 | 20 | 70 |
| aThe
minimum size requirement is 67 horsepower for mechanical systems. The 50-megawatt system
size corresponds to 67,000 horsepower. Source: U.S. Department of the Treasury, General Explanation of the Administration's Revenue Proposals (Washington, DC, February 1999), pp. 45-46. |
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