To further reduce the property's reliance on expensive, carbon producing fossil fuels renewable energy systems will be installed. These technologies will improve not only the environmental impact of the property by reducing carbon emmisions but will also make it more sustainable financially.
What is Solar PV?
Solar Photovoltaic (PV) systems capture the energy generated by the sun and convert it to electricity, which can then be used to power electrical appliances and lighting.
Why use solar PV?
Reduce your carbon footprint- generating electricity with solar PV does not produce pollutants or greenhouse gases
Make a saving on your electricity bills- once the initial installation costs have been paid for, the fuel to power a PV system is free (sunshine!), therefore your electricity costs will be reduced.
Generate an income- The goverment's Feed-in Tariff will pay you for every unit of electricity generated, regardless of whether you use it in your property or not.
Sell electricity to the National Grid- every unit of electricity that you generate and do not use within the property can be sold back to the National Grid.
Solar PV as part of the green makeover
A solar PV array will be mounted on the ground at a distance of 150m from the house. This will ensure the system does not affect the delicate aesthetics of the property and will also present an opportuntiy to install the PV array in the most efficient configuration possible (South facing, 30 degree elevation, zero shading).
Across the year this will generate electricty to help meet the home's annual electricity demand. Through the feed-in tariff scheme the solar PV array will also generate an income stream. This should be sufficient to cover not only the electricity costs for the home but also generate a tax-free, index linked revenue stream for the next 20 years.
Originally the intention was to install a 25kWp solar PV array, to best meet the electricty demands of the property. An application was submitted to the local DNO (District Network Operator) to connect a 25kWp array to the three phase supply of the property, however due to the limited capacity of the national grid in this location we are only permitted to install a maximum of 15kWp.
Allthough not ideal, a system of this size will still go a long way to meeting the electrical demands of the site and significantly reduce it's overall carbon footprint.
As the installation progresses we will add further photographs to illustrate the various phases of the installation.
Poles are driven into the ground to provide a strong anchoring point for the supporting framework without the need for concrete foundations. By installing a ground-mounted system in this way the land can be returned to it's former use if ever required in the future.
Cross rails and framework are attached to the anchoring poles, to provide a secure structure onto which the PV modules can be mounted. The modules will be mounted in a single row to reduce the visual impact of the system.
Feed-in Tariffs scheme (FITs)
Feed-in Tariffs were introduced by Government in April 2010 as a finacial incentive to encourage the uptake of renewable electricity generating technologies. There are various various depending on the type of technology and the size of the system. Eligible installations will be paid for every unit of electricty generated and also for surplus electricity that is exported to the National Grid.
The current Feed-in Tariff rates for solar PV are as follows:
Commission date: 1st February 2013 to 30th April 2013
Commission date: 1st May 2013 to 30th June 2013
|Upto & including <4kWp||15.44p/kWh||15.44p/kWh|
|over 4kWp <10kWp||13.99p/kWh||13.99p/kWh|
|over 10kWp <50kWp||13.03p/kWh||13.03p/kWh|
|over 50kWp <100kWp||11.5p/kWh||11.1p/kWh|
|over 100kWp <150kWp||11.5p/kWh||11.1p/kWh|
|over 150kWp <250kWp||11p/kWh||10.62p/kWh|
Over 250kWp/Stand-alone/ EPC lower than D
Further details of the Solar PV system to be installed as part of the green makeover are to follow.
What is Biomass?
Biomass is not a new concept, it has been used for decades. Biomass is biologocical material obtained from recently living or living plant matter that is processed into electricity, fuel and heat. Biomass is part of the carbon cycle, meaning that it is classed as carbon neutral. Plants and trees remove carbon dioxide from the atmosphere as they are growing and release the same amount when they are burnt, or decompose naturally on the forest floor. Crops and trees are then replanted and the whole process starts again.
Why use Biomass?
Biomass is a cost eficient, low carbon fuel that is already available extensively throughout the country. As a renewable energy source, it also delivers many additional environmental and social benefits. Biomas can deliver a significant reduction in net carbon emmissions when compared with fossil fuels if it is managed in a sustainable manner.
Benefits of Biomass:
- Cost savings- The establishment of local networks of production and usage allows financial and environmental costs of fuel and transportation to be reduced.
- Renewable Heat Incentive (RHI)- Non-domestic sectors can currently benefit from the Renewable Heating Incentive Scheme, in the coming months phase two of the scheme will be launched to benefit the domestic sector.
- Reduction in greenhouse gases- Biomass is carbon neutral; producing less carbon dioxide and sulphur dioxide emmissions than a typical gas or oil fired system.
- Improved efficiency- The combustion efficiency and emmission levels produced by biomass systems are comparable with the leading fossil fuel boilers.
- Economic improvement- An energy crop market is a positive development for UK firestry, farming and the countryside with the generation of new jobs and business opportunities.
- Security of supply- Biomass can be sourced locally on an indefinite basis from within the county.
- Improved biodiversity- The use of biomass fuel provides an economic incentive to manage woodland.
Renewable Heat Incentive (RHI)
The UK Government has set an ambitious target that 12% of the UK's heating will come from renewable sources by 2020. The RHI was set up by government as a financial incentive to encourage the adoption of renewable heating technologies within businesses, comunities and households. The RHI will be introduced in two phases; Phase 1 is for non-domestic installations, Phase 2 is for domestic installations.
The non-domestic (commercial) RHI is currently available for eligble installations of Biomass, Heat Pumps & Solar Thermal.
The current RHI rates for Biomass are as follows:
|Size of Boiler||Payment:Tier 1||Payment: Tier 2|
|Less than <200kW||8.3p/kW||2.1p/kW|
|200kW to 1000kW||5.1p/kW||2.1p/kW|
The tier 1 rate will be received for the first 1,314kW of heat produced by the system,
the tier 2 rate will apply after this point
Further details of the Biomass system to be installed as part of the green makeover are to follow.
(DT Hoval boiler)