Luis Ini
Argentina tenders 700 MW of battery storage nationwide
Argentina’s Energy Secretariat has opened a national and international tender for battery energy storage systems (BESS) at grid-constrained nodes outside the Buenos Aires metropolitan area, targeting about $700 million in investment.
Bolivia creates net metering scheme for medium-voltage distributed generation
A new decree issued by the Bolivian government amends regulations in force since 2021, enabling renewable projects between 1 MW and 6 MW to connect to medium-voltage networks. The provisions also establish a remuneration scheme with a stabilized price for energy injected into the system.
Mexico mandates social impact reviews for BESS projects
New rules from Mexico’s Secretaría de Energía require battery energy storage systems (BESS) to submit social impact assessments for the first time, with stricter obligations above 250 MWh.
Argentina adds 810 MW of solar capacity in 2025
Argentina added around 810 MW of solar PV capacity in 2025, bringing total installed PV capacity to 2,483 MW, according to data from Compañía Administradora del Mercado Mayorista Eléctrico (CAMMESA).
Solar curtailment rises in Chile as grid constraints persist
Renewable curtailment in Chile reached 6,084 GWh in 2025, up 7.8% year on year, underscoring mounting transmission congestion as the country’s power mix becomes increasingly renewable.
Dominican Republic updates net metering rules for rooftop solar
The Dominican Republic has approved new regulations for rooftop solar, shortening approval times, digitizing processes, removing penetration caps, and increasing annual compensation for surplus energy to 100%.
Guatemala PEG-5 tender draws 51 bidders for 4.7 GW of capacity
Guatemala’s Generation Expansion Plan 5 (PEG-5) tender has drawn 51 bids totaling nearly 4.7 GW – more than triple the 1.4 GW sought – with around 2 GW of solar projects, including hybrids with storage, competing for long-term supply contracts starting between 2030 and 2033.
Colombia deploys 333 MW of PV in 2025
The country’s cumulative installed PV capacity reached 1.59 GW at the end of December, according to new figures released by the Colombian administrator of the wholesale energy market.
Photovoltaics for salmon farms
Copec, Luxmeter Energy, and Ventisqueros have commissioned a system at the Quintupeu salmon farming center in Hornopirén, a remote area of southern Chile. The installation features a 48 kW photovoltaic plant paired with a 109 kWh battery storage system, enabling the facility to reduce its reliance on diesel generators in this off-grid aquaculture operation.
Chile installs 1.1 GW of PV in 2025
Chile installed 1.13 GW of solar capacity last year, raising total solar capacity to 11.63 GW, while over 4 GW of renewable projects are under construction, according to the National Energy Commission (CNE).
