Baildon Horticultural Society
Baildon Horticultural Society is proposing to install electricity supply to allotment huts at Thompson Lane and Charlestown for enhanced security and site development. Options like wind and biomass power were considered unsuitable, while mains electricity was deemed too costly. Off-grid solar PV emerged as the recommended and cost-effective option, allowing storage and utilization of solar power. Detailed analysis was conducted, outlining the benefits and implications of each option.
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Presentation Transcript
Baildon Horticultural Society Proposal for Electricity supply to allotment huts at Thompson Lane & Charlestown
Background. Both allotment sites currently have no electricity supply. This has not been an issue in the past but is now viewed as a constraint and is holding back site development. At Thompson Lane there has been a long running issue with breakins. Recently 12 huts were broken in to and one hut destroyed by arson. Security at the site needs to be improved and a key part of that is to provide cctv and security lighting around the allotment shop and surrounding area. This can only be provided if an electricity supply is available. Benefits of electricity provision Reduction in crime at Thompson Lane - trespassing, theft and damage to huts Peace of mind for plot holders Reduction in pilfering from plots at Charlestown Lighting will provide a more welcoming atmosphere inside the huts. Power Requirements cctv with wifi router led security lights led lighting inside the huts usb charging points
Options 1. Wind Both sites are unsuitable for a wind power as they are both in sheltered positions in the valley bottom. As a result the power supply would be intermittent. To be of any use the wind turbines would have to be a significant size and would require planning permission. Thompson Lane is within the Saltaire World Heritage buffer zone which would require further permission. For these reasons wind power is not recommended. 2. Biomass Biomass can be used to fuel combined heat and power units, which generate both heat and electricity. CHP units are very expensive for small scale domestic and business properties, and for this reason Biomass is not recommended.
Options 3. Mains Electricity . Quotes for connecting both sites to the mains supply have been received from Northern Power grid. Thompson Lane 3,489 inc VAT Charlestown 5000 inc Vat . This is an indicative quote and to get a firm quote would cost 150. These quotes exclude costs for any ground work on the allotment sites and all electrical installation work inside the huts. There would also be ongoing monthy costs for supply of electricity. The costs for mains supply are very high and on this basis mains supply can not be justified . 4. Air Source and Ground source heat pumps These systems are expensive and as the name says are designed for generating heat rather than electricity. They also require electricity to control them. Heat pumps are not appropriate in this case.
Solar options 5. Solar PV(Photo Voltaic) Solar PV quotes have been received ranging from 4000 to 15,000 Most Solar systems assume there is a mains electricity supply available, to provide backup power when the solar system is not operating and to enable surplus generation to be exported back to the grid. Therefore a mains supply would have to be installed, making this option extremely expensive. This means that standard Solar PV is not a viable option. 6. Off grid Solar PV (recommended option) Off-grid systems allow you to store and save your solar power in batteries for use when power is not being generated eg at night. Two quotes received . Costs are per site Sunstore Ltd https://www.sunstore.co.uk/product/ 1.1 Kwh output 2123 inc VAT Being based in the south of England ,Sunstore have confirmed that they will not provide an installation service. Select Solar Ltd https://www.selectsolar.co.uk/ 1.0 Kwh output 2121 inc VAT Installation cost 480 inc Vat (per site)
Solar options 5. Off grid Solar (Continued) Benefits low cost, scalable, low carbon footprint, renewable energy Risks system may not generate enough power system can be expanded It is recommended that off grid solar is selected as the most viable option. Select Solar Ltd is the preferred supplier. They are MCS certified which is the government sponsored organisation that manages certification schemes for microgeneration suppliers. It is proposed that the installation is done in two phases . Phase 1 Thompson Lane Phase 2 Charlestown This approach will ensure that first installation can be reviewed before committing further funds to phase 2. Phase 2 would go ahead 3 to 6 months after Phase 1. The off grid systems have been sized to provide sufficient power to run CCTV , security lighting and internal lighting.
Off grid Solar costs per hut Supplier Select Solar Ltd (MCS certified)system Select Solar Ltd (inc VAT) 2241 480 300 diy 50 installation per site cctv Reolink RLK8-410B4 cctv install 4G LTE Wireless Router 12 month data SIM(for remote access) Lebara 120 3 X 10W led security lights 40 m 12v cable 75 50 2 X led internal lights 770mm 800 lumens 12 v wiring sundries Total (per hut ) grand Total 90 150 3556 7112
Funding It is hoped that Baildon Town Council are able to help BHS to provide 75% of the costs. If BTC can assist with funding and issue invoices there could be a reduction in VAT amounts due. Funding based on 75% BTC , 25% BHS Phase 1 (Thompson Lane) Phase 2 (Charlestown ) BTC BHS total 2667 889 3556 2667 889 3556
