E ai ki te pūrongo a te IEA, ka tipu te haumitanga pūngao o te ao mā te 8% i te tau 2022, ka hipa i te tohu 300GW mō te wā tuatahi, ka eke ki te $2.4 trillion, e tata ana ki te toru hauwhā o te tipu haumitanga pūngao katoa.
E matapaetia ana ko te 60% o ngā tāpiringa pūngao hou o te ao e ahu mai ana i te pūngao rā i tēnei tau, me te 190GW o te kaha hou kua tāpirihia, he pikinga 25% mai i te tau kua hipa.