Around 100 people attended a meeting in Lanesboro last night to hear a proposal for the future use of Lough Ree Power Station.
Leitrim businessman JJ O'Hara outlined plans for a national fire testing centre among other projects.
The FutureCast CEO told those in attendance the company had completed a feasibility study.
The ESB remains adamant, however, that the power station will be taken down to make way for a battery storage facility.
Dismantling the station could cost up to €25 million, while FutureCast's proposed refurbishment would cost €20 million.
JJ O'Hara says he remains upbeat despite the ESB's refusal to give up the site: