
CASE STUDIES / OPTIONALITY · OCT 2025
The study compares a utility portfolio with and without supply cancellation rights across the same simulated price paths.
$0.24/MMBtu
MEAN OPTION VALUE · REGULAR VOLATILITY
01 · PORTFOLIO
Both versions supply Italy and northwest Europe and have access to the same spot markets. The flexible version can cancel firm supply for a fee and buy replacement cargoes.
BASE SLOT COST $0.50/MMBTU · CANCELLATION FEE $2M PER CARGO · JAN 2027 TO DEC 2029 · EUROPEAN POWER UTILITY PERSPECTIVE
02 · COMPARISON
At forward prices, the option is worth $0.04/MMBtu. Mean simulated value is $0.14 at low volatility, $0.24 at regular volatility and $0.45 at high volatility. The regular-volatility value above forwards is therefore $0.20/MMBtu.
03 · PROFIT CHANGE
Each comparison uses 1,000 simulated paths per volatility setting. X-LNG recalculates both portfolios on each path and measures the profit difference.
04 · REPLACEMENT SUPPLY
When spot supply becomes cheaper than firm supply plus the cancellation fee, the model can replace the firm cargo. The existing sales and regas requirements remain part of the comparison.
05 · FEES AND COSTS
In the sensitivity test, each $0.25/MMBtu increase in slot cost reduces portfolio profit by about $0.11/MMBtu. The reported average effect of a $1M cancellation-fee increase is about $0.04/MMBtu.
06 · RESULT
$0.24/MMBtu mean option value at regular volatility, including $0.04 at forward prices.
The fees and access to replacement supply are model assumptions. Mean total value, median value and value above forwards are different measures.
07 · TAKEAWAYS
Separate forward and simulated value
At forward prices, the option is worth $0.04/MMBtu. Mean simulated value is $0.14 at low volatility, $0.24 at regular volatility and $0.45 at high volatility. The regular-volatility value above forwards is therefore $0.20/MMBtu.
Compare fees and slot costs
In the sensitivity test, each $0.25/MMBtu increase in slot cost reduces portfolio profit by about $0.11/MMBtu. The reported average effect of a $1M cancellation-fee increase is about $0.04/MMBtu.
Scope of the result
The fees and access to replacement supply are model assumptions. Mean total value, median value and value above forwards are different measures.
08 · CALCULATION
Set up the comparison
Both versions supply Italy and northwest Europe and have access to the same spot markets. The flexible version can cancel firm supply for a fee and buy replacement cargoes.
Calculate the alternatives
Each comparison uses 1,000 simulated paths per volatility setting. X-LNG recalculates both portfolios on each path and measures the profit difference.
Review the result
$0.24/MMBtu mean option value at regular volatility, including $0.04 at forward prices.
Modelled results depend on the contracts, prices and operating assumptions used.