The ICE noted that so far this year it has only turned to thermal plants as backup generation sources.
The bill proposes a series of tax incentives for promoting the purchase of new electric cars and plug-in hybrids, including the elimination of the sales, selective consumption and customs taxes.
ICE officials expect algae to begin adhering to the structures so that coral, polyps, fish and other marine species begin reproducing.
The change in electricity tariffs will vary by company, but the average decrease will be 5.41 percent.
Japan has agreed to loan Costa Rica $224 million to finance part of the construction of a geothermal project in Liberia, Guanacaste.
The country's mobile phone carriers scored high in coverage and quality, but low on internet speed
The government-run Costa Rican Electricity Institute (ICE) is working on a project to create artificial reefs using waste material from the national electricity grid.
ICE president Carlos Manuel Obregón said the strategic location of the country's reservoirs allows it to maximize rainfall collection, mostly from the highlands and the Caribbean region.