In terms of their utilization, one of the biggest barriers is lack of policy for their uptake. We've had really successful policies in Canada, such as feed-in tariff laws that allowed for a lot of different types of communities and organizations to develop these. Europe is continuing this with the new energy communities and renewable energy communities laws.
That's one piece. A future issue will be around materials, because the materials that go into them are finite. Again, we can adjust that by putting resources, through Canada's tri-council, into research and development of materials for these types of technologies.