Funding round
Sun King Growth
Reported as "Growth Equity"
Sun King, which works in off-grid solar energy solutions in Mumbai, raised $40M in a Growth round announced on 12 Dec 2025, led by Lightrock. 1 firm took part. It is Sun King's third venture round on record; the one before was a Series D in Dec 2022.
$40M
Amount raised
Not disclosed
Post-money valuation
1
Investors
1 lead
Valuation
What this round says about the price
Sun King did not disclose a valuation in this round; its last disclosed one was $330M at the Series D (Dec 2022). It came 36 months after Sun King's Series D. It is 20% of the $200M Sun King has raised in the venture rounds on record. No later venture round is on record for Sun King.
Sun King's funding rounds
Sun King has 3 venture rounds on record and 7 other deals. This one is highlighted.
- Private Equity not a venture round 6 Dec 2017 $60M
- Growth 22 Sep 2020 $90M
- Debt not a venture round 27 Oct 2021 $75M
- Other not a venture round 2 May 2022 $260M
- Series D 15 Dec 2022, led by LeapFrog Investments $70M$330M post-money
- Debt not a venture round 30 May 2023 $130M
- Debt not a venture round 16 Jan 2024 $7.0M
- Debt not a venture round 15 May 2025 $80M
- Debt not a venture round 28 Jul 2025 $156M
- Growth this round 12 Dec 2025, led by Lightrock $40M
Investors
Who put money in
Lightrock led the round.
Lead investor
- Lightrock backs 62 venture-backed companies new investor
Use of proceeds
What the money is for
According to the announcement, the money goes to product development, geographic expansion, sales and marketing, scaling operations and working capital.
- Product development
- Geographic expansion
- Sales and marketing
- Scaling operations
- Working capital
Comparable rounds
How it compares
28 Growth rounds in Solar Energy Company within a year either side disclosed an amount; the median was $119M, and this round was 34% of the median. The closest in time, other companies' Growth rounds in Solar Energy Company:
| Company | Announced | Amount | Post-money | Led by |
|---|---|---|---|---|
| Pivot Energy Solar Energy Company | 17 Dec 2025 | $225M | not disclosed | ATLAS SP Partners and First Citizens Bank |
| Solar Energy Company | 26 Dec 2025 | $39M | not disclosed | not named |
| Solar Energy Company | 12 Jan 2026 | $200M | not disclosed | not named |
| Solar Energy Company | 21 Jan 2026 | $29M | not disclosed | Épopée Gestion |
| Solar Energy Company | 11 Feb 2026 | $100M | not disclosed | Impact Fund Denmark and FMO |
| Solar Energy Company | 23 Oct 2025 | $72M | not disclosed | not named |
| Solar Energy Company | 16 Oct 2025 | $60M | not disclosed | Turtle Hill Capital |
| Solar Energy Company | 17 Mar 2026 | $250M | not disclosed | not named |
Sources
Where this comes from
Reported by 3 sources.
Questions
Frequently asked
How much did Sun King raise in its Growth round?
Sun King raised $40M in its Growth round, announced in Dec 2025.
Who led Sun King's Growth round?
Lightrock led it.
What was Sun King's valuation at the Growth round?
It was not disclosed; its last disclosed one was $330M at the Series D (Dec 2022).
How does it compare with other Growth rounds in Solar Energy Company?
28 Growth rounds in Solar Energy Company within a year either side disclosed an amount; the median was $119M, and this round was 34% of the median.