INRG.L vs. ISUN.L

Last updated Jun 5, 2026

INRG.L (iShares Global Clean Energy UCITS ETF USD (Dist)) and ISUN.L (Invesco Solar Energy UCITS ETF Acc) are both Energy Equities funds - INRG.L tracks the S&P Global Clean Energy TR USD while ISUN.L tracks the MAC Global Solar Energy Index. Both are passively managed. Over the past 3 years, INRG.L returned 5.64%/yr vs -3.68%/yr for ISUN.L. A 0.73 correlation means they provide meaningful diversification when combined. INRG.L charges 0.65%/yr vs 0.69%/yr for ISUN.L.

Performance

INRG.L vs. ISUN.L - Performance Comparison

The chart below illustrates the hypothetical performance of a £10,000 investment in iShares Global Clean Energy UCITS ETF USD (Dist) (INRG.L) and Invesco Solar Energy UCITS ETF Acc (ISUN.L). The values are adjusted to include any dividend payments, if applicable.

Different Trading Currencies

INRG.L is traded in GBp, while ISUN.L is traded in USD. To make them comparable, the ISUN.L values have been converted to GBp using the latest available exchange rates.

Returns By Period

The year-to-date returns for both investments are quite close, with INRG.L having a 39.09% return and ISUN.L slightly higher at 40.49%.

INRG.L

• 1D: -2.01%
• 1M: 8.39%
• YTD: 39.09%
• 6M: 35.51%
• 1Y: 82.63%
• 3Y*: 5.64%
• 5Y*: 2.72%
• 10Y*: 12.64%

ISUN.L

• 1D: -2.43%
• 1M: 15.87%
• YTD: 40.49%
• 6M: 43.98%
• 1Y: 108.55%
• 3Y*: -3.68%
• 5Y*: —
• 10Y*: —

*Multi-year figures are annualized to reflect compound growth (CAGR)

INRG.L vs. ISUN.L - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
INRG.L iShares Global Clean Energy UCITS ETF USD (Dist)	39.09%	34.75%	-24.39%	-23.83%	5.52%	-3.86%
ISUN.L Invesco Solar Energy UCITS ETF Acc	40.49%	35.32%	-35.78%	-29.74%	1.40%	-4.05%

Correlation

The correlation between INRG.L and ISUN.L is 0.79, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.79
Correlation (3Y) Calculated over the trailing 3-year period	0.79
Correlation (All Time) Calculated using the full available price history since Aug 13, 2021	0.73

The correlation between INRG.L and ISUN.L has been stable across timeframes, ranging from 0.73 to 0.79 - a consistent structural relationship.

INRG.L vs. ISUN.L - Sectors Allocation Comparison

Sectors	INRG.L	ISUN.L
Utilities	33.7%	30.6%
Industrials	28.3%	2.8%
Energy	24.7%	51.5%
Technology	10.5%	62.0%
Basic Materials	1.3%	-
Consumer Cyclical	0.1%	-
Communication Services	-	-
Consumer Defensive	-	-
Financial Services	-	4.5%
Healthcare	-	-
Real Estate	-	-

Return for Risk

INRG.L vs. ISUN.L — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

INRG.L

INRG.L Risk / Return Rank: 91
INRG.L Sharpe Ratio Rank: 93
INRG.L Sortino Ratio Rank: 92
INRG.L Omega Ratio Rank: 87
INRG.L Calmar Ratio Rank: 93
INRG.L Martin Ratio Rank: 89

ISUN.L

ISUN.L Risk / Return Rank: 87
ISUN.L Sharpe Ratio Rank: 91
ISUN.L Sortino Ratio Rank: 84
ISUN.L Omega Ratio Rank: 76
ISUN.L Calmar Ratio Rank: 95
ISUN.L Martin Ratio Rank: 90

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

INRG.L vs. ISUN.L - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares Global Clean Energy UCITS ETF USD (Dist) (INRG.L) and Invesco Solar Energy UCITS ETF Acc (ISUN.L). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.

	INRG.L	ISUN.L	Difference
Sharpe ratio: Return per unit of total volatility	3.42	3.19	+0.23
Sortino ratio: Return per unit of downside risk	4.38	3.81	+0.57
Omega ratio: Gain probability vs. loss probability	1.53	1.46	+0.07
Calmar ratio: Return relative to maximum drawdown	6.64	9.16	-2.52
Martin ratio: Return relative to average drawdown	19.87	21.32	-1.45
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

INRG.L vs. ISUN.L - Sharpe Ratio Comparison

The current INRG.L Sharpe Ratio is 3.42, which is comparable to the ISUN.L Sharpe Ratio of 3.19. The chart below compares the historical Sharpe Ratios of INRG.L and ISUN.L, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	INRG.L	ISUN.L	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	3.42	3.19	+0.23
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.11	—	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.50	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.02	-0.11	+0.13

Drawdowns

INRG.L vs. ISUN.L - Drawdown Comparison

The maximum INRG.L drawdown since its inception was -85.09%, which is greater than ISUN.L's maximum drawdown of -73.48%. Use the drawdown chart below to compare losses from any high point for INRG.L and ISUN.L.

Drawdown Indicators

	INRG.L	ISUN.L	Difference
Max Drawdown Largest peak-to-trough decline	-85.09%	-73.48%	-11.61%
Max Drawdown (1Y) Largest decline over 1 year	-12.38%	-11.78%	-0.60%
Max Drawdown (3Y) Largest decline over 3 years	-44.29%	-64.82%	+20.53%
Max Drawdown (5Y) Largest decline over 5 years	-57.38%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-65.47%	—	—
Current Drawdown Current decline from peak	-27.35%	-32.49%	+5.14%
Average Drawdown Average peak-to-trough decline	-56.54%	-42.69%	-13.85%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.15%	5.07%	-0.92%

Volatility

INRG.L vs. ISUN.L - Volatility Comparison

The current volatility for iShares Global Clean Energy UCITS ETF USD (Dist) (INRG.L) is 9.58%, while Invesco Solar Energy UCITS ETF Acc (ISUN.L) has a volatility of 13.16%. This indicates that INRG.L experiences smaller price fluctuations and is considered to be less risky than ISUN.L based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	INRG.L	ISUN.L	Difference
Volatility (1M) Calculated over the trailing 1-month period	9.58%	13.16%	-3.58%
Volatility (6M) Calculated over the trailing 6-month period	17.61%	23.45%	-5.84%
Volatility (1Y) Calculated over the trailing 1-year period	24.04%	33.87%	-9.83%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	24.80%	40.53%	-15.73%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	25.33%	40.53%	-15.20%

INRG.L vs. ISUN.L - Expense Ratio Comparison

INRG.L has a 0.65% expense ratio, which is lower than ISUN.L's 0.69% expense ratio.

Dividends

INRG.L vs. ISUN.L - Dividend Comparison

INRG.L's dividend yield for the trailing twelve months is around 1.09%, while ISUN.L has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
INRG.L iShares Global Clean Energy UCITS ETF USD (Dist)	1.09%	1.77%	1.58%	1.00%	0.62%	1.01%	0.61%	2.05%	3.68%	3.69%	3.65%	3.90%
ISUN.L Invesco Solar Energy UCITS ETF Acc	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both INRG.L and ISUN.L in my portfolio?

INRG.L and ISUN.L have a correlation of 0.79, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, INRG.L or ISUN.L?

On fees, INRG.L is cheaper at 0.65% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, INRG.L or ISUN.L?

INRG.L is cheaper with a 0.65% expense ratio, compared with 0.69% for ISUN.L.

What is the main difference between INRG.L and ISUN.L?

INRG.L tracks S&P Global Clean Energy TR USD, while ISUN.L tracks MAC Global Solar Energy Index. They also come from different issuers: iShares and Invesco. Their fees differ too: 0.65% for INRG.L and 0.69% for ISUN.L.