Energy technology is changing fast. Costs have been falling sharply, opening up new possibilities that were not previously commercially viable. Markets are benefitting from an influx of cheap and plentiful capital too. That is the position of the renewable and low-carbon energy industry today. It was also the position of the US tight oil industry a decade ago. In the upstream industry, booming shale supply growth ultimately saturated the markets and made it difficult to achieve sustained profitability. For investors in renewable energy today, the similarities are striking, and potentially worrying. A few interesting ... (full story)