Comparison Matrix |
Active Power CleanSource® |
Battery-based Alternatives |
| Flywheel Technology |
VRLA
(10 year) |
VRLA
(20 year) |
Flooded
(20 year) |
| Life Span |
• Design: 20+
• Operational: since 1997
|
• Design: 10 in float service
• Operational: 3 to 6, typical
|
• Design: 20 in float service
• Operational: 10 to 15, typical
|
• Design: 20 in float service
• Operational: 10 to 18, typical
|
| Discharge Cycles |
• Unlimited for product life span
|
• 1000-2000 shallow
• 100-200 deep
|
• 2500-5000 shallow
• 250-500 deep
|
• 2500-5000 shallow
• 250-500 deep
|
| Optimal Temp (deg C) |
• -20 to +40
|
• 25
|
• 25
|
• 25
|
| Maintenance |
• Air filters: as req.
• Oil Change: 12 mos.
• Bearings: 30 mos.
|
• Preventative maintenance: 3 to 6 mos.
• Jar replacements: as req.
|
• Preventative maintenance: 3 to 6 mos.
• Jar replacements: as req.
|
• Preventative maintenance: 3 to 6 mos.
• Jar replacements: as req.
|
| Predictability |
• Self Diagnostics: standard
• Monitoring software & cards: optional
|
• Requires battery monitoring system
|
• Requires battery monitoring system
|
• Requires battery monitoring system
|
| Footprint (w/ service access) |
• 500kW =>
• 20 sq.ft.
|
• 500kW =>
• 60-80 sq.ft.
|
• 500kW =>
• 100+ sq.ft.
|
• 500kW =>
• 200+ sq.ft.
|
| "Green" Technology |
• No environmental hazards
|
• HazMat disposal issues
• Spill containment
• Personnel safety
• EPA regulations
|
• HazMat disposal issues
• Spill containment
• Personnel safety
• EPA regulations
|
• HazMat disposal issues
• Spill containment
• Personnel safety
• EPA regulations
• HVAC requirements
|
