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Customer Renewable Energy (RE) Interconnection Programme

In 2007, GRENLEC voluntarily formulated and implemented an interconnection programme, which allows customers who use renewable energy to generate electricity to and sell any excess to the company. This is also significant because it gives customers access to a reliable source of energy, since sources such as solar and wind energy are not available all the time.

Renewable Energy Customers

Between 2007 and 2013, more than 60 customers have connected through this programme, with 352.97 kW of installed capacity representing about 1% of demand.
Having exhausted the 300 KWh offered under the pilot programme, GRENLEC has made a further offer of 500 KWh under a second phase.

    Learn more about GRENLEC’s Renewable Energy Interconnection Programme  
  Renewable Energy FAQ
  Renewable Energy Interconnection Applications and Contracts
   
   
   

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Renewable Energy

What are the benefits of renewable energy?

Energy Security
  Grenada is almost completely dependent on fossil fuel (diesel) imports for its energy needs (cooking, transportation, reliable electricity generation and manufacturing).
  Fossil fuel resources are finite and supplies are vulnerable to price volatility, all of which is driven by activities outside of Grenada.
  By virtue of their availability in Grenada and elsewhere in our region, natural renewable energy resources provide an opportunity for us to diversify our energy mix, reduce our fuel import bill and stabilise electricity prices.
   
Protecting the Environment
  While the debate rages about climate change, it is clear that we cannot sustain the impact of fossil fuel dependence on our environment. Fossil fuels give off greenhouse gases when we burn them, while renewable energy sources emit only small amounts of greenhouse gases or none at all. We can reduce these emissions, air pollution and our carbon footprint by increasing the share of renewable energy in our energy generation.

How is GRENLEC demonstrating its commitment to renewable energy?

Strategic Focus
  To generate a minimum of 35% of energy from alternative sources by 2016.
   
Exploring Resources in Grenada
  GRENLEC is assessing a number of mature renewable technologies, such as wind and photovoltaics and emerging technologies like hydrokinetic and waste to energy possibilities.
   
Geothermal Energy
  Geothermal electricity has existed for decades and is said to supply electricity for about 30 million people worldwide. Geothermal energy is heat energy from the earth, which is harnessed to generate electricity. It would provide firm capacity and potentially allow Grenada to become more energy independent (reduce Grenada’s dependency on fossil fuel imports). There are indications that this resource may be present in Grenada. However, extensive exploration is needed to determine the adequacy and viability of accessing this resource for energy generation.
   
Customer Interconnections
  To provide incentives for customers, in 2007, GRENLEC voluntarily formulated and implemented an interconnection programme, which facilitates connections to GRENLEC’s distribution grid, of customers who generate renewable energy. This is significant because it allows customers to enjoy reliable supply, where they are utilising sources such as solar and wind energy, which are not available all the time.

Between 2007 and 2011, 54 customers have taken advantage of the introductory offer. Having exhausted the 300 KWh offered under the pilot programme, GRENLEC has made a further offer of 500 KWh under a second phase.

What are some of the challenges associated with developing renewable energy initiatives?

Renewable Energy Technologies Are Capital-Intensive
  At present, renewable energy plants are costly to explore, build and operate. Consequently, they do not automatically result in cheaper energy costs. To create incentives, in some countries, governments provide subsidies and companies employ renewable energy programmes, the cost of which is borne by other customers. The cost benefit is realised over time through avoided fuel rate increases.
   
Some Renewable Resources Do Not Provide Firm Capacity
  Wind, solar power and other intermittent sources, in contrast to geothermal sources, do not produce energy all the time. Customers utilising these systems rely heavily on a connection to the maintenance of GRENLEC’s diesel generating plant and transmission and distribution systems for consistent, reliable energy supply.
   
Renewable Resources Are Often Geographically Remote
  The best renewable resources are often available in remote areas, so transporting the equipment and building transmission lines to deliver power may require extensive infrastructural development.
   
How is the wind used to produce energy?
 

Blowing wind spins the blades on a wind turbine. The blades of the turbine are attached to a hub that is mounted on a turning shaft. The shaft goes through a gear transmission box where the turning speed is increased. The transmission is attached to a high speed shaft which turns a generator that makes electricity. The same distribution and transmission lines are used to transport the electricity to customers.

   
Will renewable energy result in lower electricity prices?
 

There will not be a significant reduction in the cost of energy because the customer base and usage in Carriacou is small compared to the overall grid in the three in Grenada, Carriacou and Petit Martinique.

Renewable Energy Projects

Solar PV

Solar photo-voltaic (PV) technology converts energy from the sun into electricity. Solar PV offers an alternative to unpredictable fossil fuel imports.
Grenada – GRENLEC’s Dusty Highway Facility

Rooftop Installation
148.48 kW PV (3 buildings)
Commissioned: September 2013

Petite Martinique
Ground Mounted Installation

31.59 kW PV (approx. 20% of Peak Electricity Demand)
Commissioned: October 2013

Fort Frederick Demonstration Project
Commissioned: October 2012
1 kW Wind + 1.84kW PV

St. Andrew Anglican Secondary School (SAASS)
Rooftop Installation

13.92 kW
May 2014

GRENLEC Launches Solar Projects

Carriacou Wind Energy Project

Project jointly funded by the European Union through a grant to the Government of Grenada and GRENLEC.

2 MW of wind turbines along the Top Hill Ridge
Upwards of 60% penetration and 68% reduction in emissions and waste streams
Storage System
 - Maximises Wind Penetration
 - Assists with reliability
   
Automatic Control System
 - Manages switching between the wind output and diesel generators efficiently.
 - Regulates peak wind power output.
 - Manages energy storage.
 - Regulates dissipation of excess power from the wind farm.

Read More
Contract Notice
Information for Purchasing Tender Dossier
Tender Dossier - Carriacou Wind Energy Project
Appendices to Technical Specifications

Petite Martinique Wind-Solar-Diesel Hybrid

Solar + Wind + Storage
2014/15

GRENLEC Launches Solar Projects

 

 

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