• 2023. – danas HORIZON-CL5-2022-D3-01 – COMMUNITAS Bound to accelerate the roll-out and expansion of Energy Communities and empower consumers as fully-fledged energy market players / voditelj projekta pri FSBu/ 3,5 godine;
• 2021.-danas H2020-LC-GD-2020-1- OLGA Holistic & Green Airports / voditelj projekta pri FSBu/ 5 godina;
• 2019. – danas – H2020-LC-SC3-2018-ES-SCC- INSULAE- Maximizing the impact of innovative energy approaches in the EU islands , Coordinator of Croatian participation (at FSB) / 4 godine;
• 2018. – 2020. – H2020-EU.3.3.7- EE-02-2017 Improving the performance of district heating systems in Central and East Europe – KeepWarm / koordinator GIZ Njemačka / koordinator projekta za Fakultet strojarstva i brodogradnje, 2,5 godine;
• 2015. – 2019. – MSCA-RISE-2015 project 690925 – Phoenix – People for tHe eurOpean bioENergy mIX/ koordinator: ESEIA, Austrija/ koordinator projekta za Fakultet strojarstva i brodogradnje, Zagreb/ H2020-MSCA-RISE-2015/, 4 godine;
• 2014. – 2016: CARBEN (NEWFELPRO) – international project of scholarships and mobility for experienced researchers (mentoring in project management, coordination and implementation of activities in the host institution) / mentor i nadzor projekta za Fakultet strojarstva i brodogradnje, Zagreb/ 2 godine;
• 2014. – 2017.– BEAST/ koordinator: East Sweden Energy Agency from Linköping, Švedska/ koordinator projekta za Hrvatsku: FSB, Zagreb/ IEE / 3 godine;
• 2012. – 2018. Strategic Research Centre for 4th Generation District Heating Technologies and Systems (4DH)/ istraživački projekt pod pokroviteljstvom Danske agencije za znanost, tehnologiju i inovacije/ projektni partner, član upravnog odbora: FSB,Zagreb / 6 godina;
• 2012. – 2016. – DISKNET – DIStributed Knowledge-Based Energy Saving NETworks PEOPLE/ koordinator projekta za Hrvatsku: FSB, Zagreb/ Marie Curie Actions – International Research Staff Exchange Scheme- FP7-PEOPLE-2011-IRSES/ 4 godine;
• 2007.-2010: “STORIES – Addressing barriers to storage technologies for increasing the penetration of Intermittent Energy Sources” / voditelj radnih zadataka na FSB Zagrebu / collaborative project supported by the European Commission under the Framework Program for Competitiveness and Innovation / 2,5 godine.

• Energetsko planiranje
• Ekonomika energetike
• Energetska tržišta
• Obnovljivi izvori energije
• Skladištenje energije
• Održivi razvoj
• Energetski sustavi sa visokim udjelom energije iz obnovljivih izvora

• 2009 – danas: Član uprave i tajnik SDEWES centra
• 2015 – danas: gost urednik časopisa Energy conversion and management
• 2013 – 2016 – Član uprave Društva za oblikovanje održivog razvoja (DOOR)
• 2016 – Član ocjenjivačkog suda Europske komisije za H2020 projekte
• 2015 – Član ocjenjivačkog suda Europske komisije za H2020 projekte
• Recenzent za časopise: Applied Energy, Elsevier/ Energy, Elsevier/ Energy policy, Elsevier/ Energy conversion and management, Elsevier / Renewable and sustainable energy reviews, Elsevier
• Član Hrvatskog energetskog društva

• Godišnja nagrada Društva mladim znanstvenicima i umjetnicima, 2010., Društvo sveučilišnih nastavnika i drugih znanstvenika u Zagrebu

CroRIS: https://www.croris.hr/crosbi/searchByContext/2/4313

Researchgate.net: https://www.researchgate.net/profile/Goran-Krajacic

Scholar.google.com: https://scholar.google.com/citations?hl=hr&user=bx_R5NEAAAAJ