Energy investment in India is set to reach a record high of $170 billion this year, driven by spending on solar installations and expansion of oil refining capacity, the International Energy Agency (IEA) said in its new World Energy Investment 2026 report out on Thursday. Over the past five years, India's energy investment has increased by 11% on average, with solar PV investment up by 25% in this period, and investment in oil refining jumping by 23%. Together, these two sectors have contributed to one-fourth of India's energy investment growth.…