Developing A Hydro Site
The following is an outline of typical steps and the service that Water Power Services can provide.
1 Preliminary Site Visit and Desktop Study
This will give you information of the potential power of the site and outline the cost of development and the potential revenue.
- Site visit. This is best carried out with the client present and provides an appraisal of the client’s wishes and the physical characteristics of the site
- Search of available documents and statistics to asses the flow and the duration of that flow on the site
- Assessment of planning and other constraints and identification of agencies to be dealt with during development
- Possible design solution and costs. Initial estimate of likely revenue and payback time
Average Cost: €750 + VAT
2 Outline Design and Planning Application
This is the licensing stage. The planning process in Ireland is a complex process; it can take at least six months to obtain permission.
- Detailed survey of the site and preparation of sufficient drawings to make a planning application
- Preparation of environmental assessment and report on the site
- Pre-planning meetings with planners, fisheries and other interested bodies.
- Preparation of Planning Application
- Follow up with any requests for further information
- Application to ESB Networks for an interconnection with the National Grid
Typical cost: 3% of project cost
3 Detailed Project Design
This is the preparation of detailed contract and tender documents for the individuals and companies who will actually build the project.
- Preparation of detailed drawings including structural details for all construction work
- Negotiation with sub contractors
- Obtaining firm quotations from all possible suppliers
- Drawing up timetable of construction
- Planning types and means of access
Typical cost: 3% of project cost
4 Supervision of Construction
Construction of the project is supervised through to completion.
- Inspection of all stages of site work
- Co-ordinating delivery of various elements of the scheme
- Supervising installation of the elements
- Co-ordinating the hook-up between the different elements and trades
Typical cost: 2 to 3% of project cost
5 Commissioning
Start up, testing and training
- Supervision the commissioning and start up
- Co-ordinating any testing
- Co-ordinating any necessary training
Typical cost: 1 to 2% of project cost
The overall fees for a small hydro scheme are usually in the region of 8% to 11% of the total project cost.





