Hi Lass
Well, on Googling, I found http://www.costablancauncovered.com/Javea/Javea-tourist-information.html say this is their phone number, any use? Sorry, no address.
IMPORTANT JAVEA PHONE NUMBERS .. Iberdrola: 96 579 11 84
Maybe you can ring the tourist info offices
Tourist Information Playa Arenal
Carretera Cabo de la Nao
Urbanización La Plaza
Playa del Arenal
03730 Jávea
Tel: 96 646 06 05
Tourist Information Puerto
Pl. Almirante Bastarreche, 24
Aduanas del Mar, Puerto de Jávea
03730 Jávea
Tel: 96 579 07 36
Oficina Municipal de Turismo
Plaza de la Iglesia, 4
03730 Jávea
Tel: 96 579 43 56