PV Grid Tied

A grid-connected Solar PV system normally consists of the following main components:

  1. PV generator (PV array - This comprises a number of PV modules connected in series or parallel)
  2. Installation kit (Roof integrated, on roof, flat roof, canopy, facade and ground mounted)
  3. DC isolator (switch disconnector)
  4. DC cabling
  5. Inverter
  6. AC cabling
  7. AC isolator
  8. kWh meter

Solar modules are mainly installed in or on buildings. Therefore, solar modules should be considered not only as technical components for generating electricity but also as a versatile construction material that harmonises with the building and can be integrated into its envelope. Ecofirst can supply a range of standard and custom made modules.

Highly efficient, they should ideally be positioned on a roof within 45 degrees of south but they only need daylight conditions to generate electricity, not direct sunlight. The systems connect into the grid through an inverter and a dual tariff meter. This means that when the home is drawing less electricity than the system is supplying, solar electricity is exported to the national grid and generates credit for the home owner.

Roof Integrated Photovoltaics

Our roof integrated photovoltaic systems are compatible with almost any roof covering. Aesthetically, they are less intrusive than our on roof systems.There are two methods of roof integrating our Solar PV systems. 

  • Our PV tiling system. This system is best suited for new build projects or for buildings that are being re-roofed. It is the most expensive of our integrated systems. Click here for more details.
  • Our PV modules roof integrated system. Although it is slightly more intrusive than the tiling system it is equally efficient and is made from high quality components. Click here for more details.

Roof Mounted Photovoltaics

The PV modules (PV generator) fits above the surface of the roof. These systems have the advantage that the roof hardly needs to be disturbed to install them, making them the best choice for installations for some existing properties.  Click here for more details.

Our roof mounted installation system offers the right fixing units and the right fixing anchors for every module construction type (500 different solar modules from over 60 manufacturers) and for every type of roof covering. The system components have been tested both together and individually for structural strength. A large range of modules, both grid tied and standalone, are available. Click here for more details. 

Inverter

The solar inverter is the link between the PV generator and the AC grid or AC load. Its basic task is to convert the solar DC electricity generated by the PV generator into AC electricity and to adjust this to the frequency and level of the building grid.

We are the UK distributor for KACO inverters. At present we have two inverters G83/1 accredited for the UK market. These are the Powador 1501xi and the Powador 3501xi. Please call Ecofirst on 0845 257 5064 or email for more details or prices.

Click here to download the KACO Powador information sheet.