Santorini

IPTO announces provisional contractors for island substations

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TERNA and a partnership comprising Nari and Electromec have been named provisional winners of a tender staged by power grid operator IPTO for contracts to develop substations at the Greek islands Folegandros, Milos and Serifos, all planned to be interconnected to the mainland grid by 2025.

TERNA was named provisional contractor for the development of substations on Folegandros and Milos, the first section of the tender, while Nari and Electromec were named provisional contractors for a substation on Serifos, the second section of the tender.

IPTO aims to have contracts signed for these projects by June. These two tenders are part of the fourth phase of grid interconnections linking the Cyclades with the mainland.

Interested parties faced a July, 6, 2022 deadline. A total of six companies or partners submitted bids for this tender, three for each section.

IPTO has already awarded contracts for the installation of subsea cables to link Folegandros, Milos and Serifos with the mainland grid. The winning bidders were announced by the operator last November.

Hellenic Cables was awarded a contract to install subsea cables from coastal Lavrio, southeast of Athens, to Serifos and from Serifos to Milos, two sections covering a total length of 170 kilometers and priced at 195 million euros.

The Prysmian group was awarded a contract to install subsea cables from Milos to Folegandros and Folegandros to Santorini, two sections covering a total length of 127 kilometers and priced at 150 million euros.

The 4th phase of the Cyclades grid interconnection is budgeted at 524 million euros in total, of which 165 million euros is being covered by the recovery fund.

Once completed, the 4th phase of the Cyclades grid interconnection is expected to reduce annual carbon emissions by approximately 150,000 tons, create grid capacity of up to 730 MW for the development of RES facilities in the region, and also significantly reduce public service compensation (YKO) surcharges added to electricity bills for subsidizing high-cost local power generation on Greek islands.

Four offers for Serifos, Milos, Folegandros grid links

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Power grid operator IPTO has moved ahead with the second stage of a tender for a grid interconnection to link the islands Serifos, Milos and Folegandros with the mainland. This project represents part of the fourth phase of the Cyclades interconnections.

IPTO’s tender is divided into two parts, the first concerning mainland and subsea cable installations for interconnections linking coastal Lavrio, in the wider Athens area’s southeast, with Serifos and, by extension, Serifos with Milos. The second part of the tender concerns subsea cable installations linking Milos with Folegandros and Fologandros with Santorini.

According to sources, a total of four offers have been submitted to the tender’s two parts, two for each.

A tender for the installation of three substations, on Serifos, Milos and Folegandros, is also in progress. A total of six offers have been submitted to this tender. Their technical and financial details are currently being appraised.

IPTO hopes contracts for the two tenders can be completed within the current year so that the projects can be developed in 2023.

The fourth phase of the Cyclades interconnections includes a project for Santorini. Its development has been in progress since early May and, according to IPTO president Manos Manousakis, is expected to be completed in the first half of 2023.

Damco Energy and China’s Xian Electric were awarded the Santorini project’s substation contract, while Hellenic Cables has taken on the cable installation work.

 

Work on Santorini grid link, ending isolation, set to start

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Work on a grid interconnection for Santorini, to end the island’s energy isolation through a link with neighboring Naxos, is expected to begin in mid-January.

A supervisory committee has given the green light for the Santorini link, paving the way for sub-contractors who have signed contracts with power grid operator IPTO – following a related tender completed a few months ago – to commence work in January, according to energypress sources.

Santorini’s grid link represents the first step in the fourth and final phase of the Cyclades interconnection, whose overall budget is worth 410 million euros, of which 165 million euros will be provided by the recovery and resilience facility.

Naxos was interconnected with the country’s mainland grid in October, 2020, during the second phase of the Cyclades islands interconnections.

IPTO expects the Santorini interconnection to be completed and launched in the first half of 2023.

The Santorini grid link will enable further interconnections with Milos, Folegandros and Serifos. Tenders for the contracts concerning the three islands will soon be announced, the objective being to complete these projects within the first half of 2024.

IPTO shifts tender deadlines for Santorini grid projects

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Power grid operator IPTO has shifted to latter dates the bidding deadlines of tenders for two contracts concerning the development of Santorini’s grid interconnection, kicking off work for the Cyclades interconnection’s fourth stage.

The deadline of a tender offering bidders an EPC contract for 150-kV AC cables, has been reset for February 19, while the new date for a tender covering the installation of a substation has been delayed until March 19.

The operator has also altered the competition procedure for the cables project, opting for a single-offer online competition instead of an online auction.

All work under the cables’ EPC contract, estimated at 100 million euros, not including VAT, will need to be completed within a 16-month period from the date a contract is signed.

The project’s substation installation of a GIS 150-kV/MT system budgeted at 26.2 million euros, not including VAT, will need to be delivered within 20 months.

Financial support is being sought for both projects through the Recovery and Resilience Facility mechanism.

IPTO expects a smaller turnout than initially anticipated for the project’s cables, according to sources. Two bidders are now seen lodging bids for this EPC contract.

The fourth phase of the Cyclades grid interconnection also includes the islands Folegandros, Milos and Serifos.

This project’s Naxos-Santorini segment is expected to be completed by 2023, while the interconnections for the three aforementioned islands are expected to be delivered in 2024.

 

Santorini-Naxos grid link tender set to be announced by IPTO

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Power grid operator IPTO’s plan for a subsea cable interconnection to link Santorini’s grid with Naxos, and, by extension, the mainland system, a project promising to resolve Santorini’s electricity supply shortages confronted every summer as a result of the island’s immense tourism appeal, has just been published, as a preliminary announcement, in the Official Journal of the EU.

The tender for this project, part of the fourth phase of the Cyclades interconnection, will most probably be officially announced within the first few days of January.

The fourth phase of the project will also include ensuing interconnections with the islands Folegandros, Milos and Serifos. Respective tenders for these projects are scheduled to be announced within the first half of 2021, energypress sources have informed.

The Naxos-Santorini grid interconnection, a project valued at 100 million euros (plus 24% VAT), is scheduled to be completed in 2023, while the links for the three other islands are planned for delivery in 2024.

The tender for the Naxos-Santorini grid link is scheduled to take place on January 29 as an online procedure through the company cosmoONE’s sourceONE digital auction system.

Bids submitted will be opened on the same day.