6 months paid student internship: Towards a multiple camera system for large PV-array power forecasting

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Website Reuniwatt Reuniwatt

Solar power forecasting, Cloud observation and forecasting

About Reuniwatt:

Born under the sun of Reunion Island (Indian Ocean), Reuniwatt is a leading actor with a proven expertise in cloud and solar irradiance observation and forecasting. We offer reliable products and services for various sectors including renewable energy and atmospheric science. Reuniwatt has offices in Reunion Island, Paris, and Toulouse. We have placed a particular emphasis on solar energy forecasting, while developing cutting-edge solutions to improve minute-scale, hour-scale, and day-scale forecasts of cloud cover and solar irradiance. Our clients are growing worldwide, and our forecasts are used for the most demanding and prestigious operations (biggest power plants in the world, massive assets management, etc.). Innovation being the cornerstone of our strategy, more than 200,000 hours of internal R&D have been invested so far, resulting in 4 patents and more than 70 scientific publications.

Context:

A trend observed within the current shift towards large-scale integration of renewables into electricity grids currently concerns up-scaling the solar farms into large PV arrays. This poses a challenge for continental grid managers, as large amounts of PV-power production are concentrated at specific locations, fluctuating as the local cloud cover varies. In situations when a sudden power drop occurs, mitigation strategies are becoming crucial to avoid putting at risks the grid under unsafe operation.
One emergent approach for such tasks is to predict the future power output according to the forecasted solar irradiance to be received by the plant. This allows for the producers to optimize their production according to the most cost-effective integration scenarios, and on the other hand allowing the grid operators for more flexibility to perform well-informed grid management decisions.
Reuniwatt provides a range a solar forecasting services covering temporal horizons down from the minute up to the 24hrs-scale. For the next minutes ahead, Reuniwatt’s product InstaCast bases its forecasts on all-sky cameras for predicting the local irradiance, inferring the cloud cover either in the visible or the thermal-infrared wavebands. As solar plants get larger, a single camera may become limiting in terms of spatial-coverage where multiple cameras could become useful to enhance the forecasting skill of the overall system.

Objective:

You will be working on Reuniwatt’s next generation very short-term forecasting system using a set of multiple synchronized cameras.

Activities:

More specifically, your activities will be concerning:
• A review of literature of existing methods for providing power forecasts using stereoscopy,
• Implementation and meticulous testing of the identified methods,
• Benchmarking your solution against Reuniwatt’s standard method,
• Writing a detailed report of your developments.

Qualifications:

Bachelor/Master of Science in one of the following fields: Meteorology, Atmospheric Science, Computer Science, Applied Mathematics.

Skills:

We are looking for a skilled and motivated intern interested in atmospheric science, computer programming and renewable energies.

Familiarity with computer vision, time-series forecasting or solar plant modelling would be considered an asset.

Experience with one or more of the following tools would be a plus: Python, shell scripting.

Location:

The intern will be based in Reunion Island (St Pierre).

Duration:

6 months beginning in 1st quarter of 2020.

Compensation:

€700 raw/month (~€650/month), 1 round-trip flight ticket to Reunion Island.

Contact:

Send your CV and cover letter to jobs@reuniwatt.com with the following subject: “Multiple camera forecasting”.

N.B:

In France, an internship has more legal constraints than in some other countries. A contract between the company, the intern, and a university must be established. Thus, the intern MUST be enrolled student at a university.

To apply for this job email your details to jobs@reuniwatt.com.

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