Ecos Warrior | Archive Titles

Table 1: Renewable energy source costs and savings
Source	Energy production (%)		Cost (£)	Payback time (years)	Avoided cost of energy over lifetime (p/kWh)
	heat	electricity
Biomass chp	57	35	235 000	15	22·6 (e), 2·7 (h)
Photovoltaics	–	9	106 000	151	5·4
Solar collectors	21	–	41 500	32	2·7
Wind turbine	–	17	59 000	37	6·2
Total (%)	78	61	–	–	–