"... by 2045"<p>That seems a strangely conservative goal, and apparently even this target is a heavily contested issue.<p>Is there some technical reason for this, or is it just weird politics? Hawaii seems like a near ideal spot for this to happen.<p>I believe Scotland is aiming for 100% renewable usage by 2020, though since they export about 20% of their generated electricity I think that translates to about 80% renewable generation.