Hybrid rotary ups | Archive Titles

Table 1: Alternatives to batteries – potential cost savings
	Battery	Alternative*
Initial capital cost	£35 000	£45 000
Installation costs	£2000	£2000
Air conditioning costs	£85 000	£50 000
Replacement cost	£37 000
Overhaul (10 year)		£10 000
Maintenance	£40 000	£30 000
Total costs £/kVA	199	137
* Alternative for purposes of this table is Piller Powerbridge
Table 1: 20 year indicative cost analysis (1 MVA load)