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Nexus Manufacturing
Manufacturing Dashboard
Rockford, IL (Minerals) Details
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Energy Cost Goals
- 15% energy cost reduction by 2030
- 40% energy cost reduction by 2045
- Blended natural gas cost: $5.37/MMBtu
Progress
- Baseline Energy Spend (2023): $4,430,250 (825,000 MMBtu)
- Current Energy Spend: $3,634,783
- 18.0% Energy Cost Reduction
- $795,467 of Annual Energy Cost Avoided
- 8,147 MT of CO2 Emissions Avoided
Energy Spend and Cost Reduction by Month
The HRSG project was commissioned in June. Green shows spend avoided against the dashed baseline.
Cost Reduction by Monitored Equipment
| Equipment | Recovered Energy | Annual Energy | Annual Cost Avoided |
|---|---|---|---|
| HRSG | 15.77 MMBtu/hr | 138,145 MMBtu | $741,840 |
| Dust Screw | 1.14 MMBtu/hr | 9,986 MMBtu | $53,627 |
| Total | 16.91 MMBtu/hr | 148,132 MMBtu | $795,467 |
| Included | Project | Deploy Date | Energy Savings (MMBtu/yr) | Electricity Increase (kWh/yr) | Capital Cost | Carbon Savings (MT/yr) | Annual Cost Savings | ROI (years) |
|---|---|---|---|---|---|---|---|---|
| Heat Recovery Steam Generator (HRSG) and Condensing Economizer | 132,000 | 0 | 7,260 | $708,840 | 2.1 years | |||
| Kiln Insulation and Partial Electrification | 144,375 | 4,230,188 | 7,941 | $487,641 | 1.0 years | |||
| Pre-Dryer MVR Concentrator | 226,875 | 16,785,230 | 12,478 | $76,923 | 32.5 years | |||
| Dryer Exhaust Hot Water Generator | 33,000 | 0 | 1,815 | $177,210 | 6.8 years | |||
| Dryer Electrification with Thermal Storage | 61,875 | 2,702,263 | 3,403 | $148,515 | 10.1 years | |||
| Full Kiln Electrification with Thermal Storage | 226,875 | 13,898,452 | 12,478 | $273,224 | 18.3 years | |||
| Total | 825,000 | $12,200,000 | 45,375 | $1,872,353 | 6.5 years |