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| Our rating system |
The renewable sources were analysed based on 6 criterias and rated by a 3-point rating system. The total score was then compared between the renewable sources.

Rating Scores
- Capital Cost (£/kW Installed) : (1:<£200/kW, 2:<£4000/kW, 3:>£4000/kW)
- Availability of Capital : (1:Readily available, 2:Available with difficulty, 3:Impossible)
- Subsidies (NFFO,SRO,Other) : (1:Subsidy available, 2:No subsidy)
- Generation Cost(p/kWhr) : (1:3-4p/kW, 2:4-6p/kW, 3:>6p/kW)
- Transmission Cost(peak p/kWh/km) : (1:0-3 p/kW, 2:3-4p/kW, 3:>4p/kW)
- Payback Amount (8%,20yrs)/yr : (1:<£100k, 2:<£200k, 3:<£300k)
- Commercial viability : (1:yes, 3:no)
- Social Acceptance : (1:yes, 3:no)
- Tourist Attraction : (1:yes, 3:no)
- Benefit to Local Economy : (1:yes, 3:no)
- Job Loss/Creation : (1:j.creation, 2:loss&creation, 3:j.loss)
- Emmissions (COx, NOx, SOx) : (1:none, 2:<oil, 3:<coal)
- Ecological effects : (1:none, 2: some, 3:a lot)
- Visual Impact (miles)-noticable from: (1:5-10, 2:10-20, 3:>20)
- Noise Pollution : (1:quiet(500m), 3:noisy(500m))
- Safety : (1:safe, 3:dangerous)
- Traffic : (1:minimal, 3:considerable)
- Site : (1:accesible(ideal), 3:inaccesible(but feasible))
- Source : (1:constant, 2:fairly constant, 3:irregular)
- Means of transmission : (1:established (elec/gas), 3:futureristic-hydrogen)
- Demand-Supply Matching : (1:easily matched, 3:Difficult to match)
- Storage : (1:none required, 2:required)
- Startup-commissioning : (1:<1yr, 2:<5yrs, 3:more5yrs.)
- Planning Permission : (1:easily obtainable, 3:difficult)
- Opposition Group : (1:minimal, 3:riotous)
- Does private benefit industry : (1:yes, 3:no)
- Favourable EU directive : (1:yes, 3:no)
- Favourable Govt. Support : (1:yes, 3:no)
- Contribution to Kyoto Objectives : (1:yes, 3:no)
- Ease of installation : (1:yes, 3:no)
- Generation Losses : (1:low, 2:medium, 3:high)
- Transmission Losses : (1:low, 2:medium, 3:high)
- Maintenance Reqts : (1:minimal, 3:extensive)
- Operational Reqts : (1:minimal, 3:extensive)
- Amount of Supply Required : (1:ideal amount, 3:amount +xs capacity)
- Reliability : (1:reliable, 2:fairly reliable, 3:irregular)