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The Dominican Republic is preparing a new series of tenders for operating solar photovoltaic parks and new developments with energy storage, in a package of opportunities that could exceed 800 MWh of additional capacity in the short term.
Edward Veras, Executive Director of the National Energy Commission (CNE), and Andrés Astacio, Superintendent of Electricity, detailed the scope of upcoming tenders and regulatory definitions during an exclusive networking breakfast at Future Energy Summit (FES) Caribbean.
“Following the success of the 600 MW tender, the Unified Council of Distribution Companies (CUED) will launch a tender for arbitrage involving existing solar projects as a way to foster greater competition,” Veras said.
“What does this represent for the sector? From the perspective of arbitrage for existing contracts alone, it will surpass the installation of 800 MWh. And if we put figures to what we are seeing from transmission for system security, we are talking about around 1,200 MWh,” Astacio added, revealing further details of the call.
The definition also reinforces a signal previously given by Deputy Minister Ricardo Guerrero during the opening of FES Caribe, when he indicated the Government was working on a new process to add battery energy storage systems (BESS) to existing projects.
Officials from the National Energy Commission and the Superintendency of Electricity also agreed that upcoming renewable energy projects will be hybrid developments with storage, or alternatively stand-alone BESS, with regulators continuing to “generate incentives to mobilise the market”.
“What lies ahead is an aggressive policy to create incentives for installing storage infrastructure that will allow continued development of the energy system,” Andrés Astacio stated.
As a reference for scale, Veras added that 238 MW of four-hour storage is already in the pipeline and projected that by 2027 the country could have between 300 and 400 MW of operational BESS, a figure that could rise further if both the new arbitrage tender and transmission investments advance.
Meanwhile, in the short term, the main regulatory milestone will be the approval of regulations for electrical works and battery installations (currently under public consultation), which is expected “within the next 30 days”.
It is worth recalling that these technical criteria are essentially the same as those required from participants in the recent 600 MW tender.
As background, the International Public Tender EDES-LP-NGR-01-2025 with BESS reportedly left eight projects preliminarily awarded for 605.1 MW, among bids exceeding 1,500 MWp and nearly 1,300 MWh, with average prices around USD 0.108/kWh. The possible expansion beyond the initial threshold explains why the process has yet to be formalised.
Regarding that process, the Superintendent said that “the efficiency achieved through investor appetite has exceeded expectations”, while Veras left open the possibility of announcements linked both to contracts arising from that call and private storage investments for transmission before the end of the half-year.
But authorities made clear that expansion does not depend solely on new tenders, but also on resolving structural constraints in the system. At this point, Veras introduced one of the most sensitive topics of the meeting: bottlenecks.
“The electricity system is a funnel; we are a small system,” Veras warned, explaining that expansion is already reaching limits in certain parts of the grid. As an example, he noted that the north-west transmission line is operating at 100% capacity, which is why the CNE is analysing a reconfiguration of the expansion plan, prioritising projects below 20 MW, which currently would have greater integration prospects.
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