Grid requirements highlight the importance of system connections to energy value. For storage, integrated energy and flexibility projects, ZHICE puts accessibility of revenue ahead of the number of revenue streams. Another line in a model is not another layer of protection.
Grids to add or refurbish by 2040 to meet national goals2
2023 study · goal-aligned scenarioZHICE expects connection conditions to weigh more heavily in project economics: grid access, commissioning dates, trading access and allocation of volatility. Infrastructure requirements underline why technical performance and unit cost are insufficient. Network constraints, project sequencing and contracts jointly determine whether modelled returns become accessible cash flow.
THE CASE FOR THE STRATEGY
An asset may provide response, balancing or reserve capacity, yet still require market recognition, eligibility and measurement arrangements. Rules and contracts stand between a capability and settled revenue.
Arbitrage, capacity commitments and ancillary services may depend on the same availability and operating hours. Adding all revenues without accounting for opportunity costs inflates returns.
Delayed access, commissioning sequences and network constraints can alter the revenue start date and accessible customer base. Timing can matter more than marginal cost differences in capital-intensive projects.
Long-term contracts, repeatable market revenues and exploratory income merit different valuation weights. Investment decisions should reveal the reliable cash-flow foundation.
Revenue combinations must work under the same asset condition, time period and contractual duties. Individually plausible streams may be incompatible in combination.
Clearer access, eligibility, customer contracts and settlement improve the prospect of value reaching operations. Early effort should follow these critical conditions.
Diversified revenues can reduce risk when their independence, feasibility and performance obligations are established. The issue is unsupported stacking, not diversification itself.
Under what conditions is this revenue paid, and which alternative use of the asset does it displace?
Storage and integrated energy projects may list several revenue streams that cannot all be earned together. Capacity limits, contractual duties and market eligibility can conflict in the same time window. A business case must establish feasibility before discussing returns.
Check market mechanisms, measurement, contract terms and settlement conditions for each revenue stream. Distinguish committed revenues, conditional opportunities and unverified assumptions.
Link capacity, energy, maintenance and dispatch constraints at an appropriate time resolution. Check whether stacked revenues double-count the same physical resource.
Stress-test key parameters and trace revenue changes through cash flow and financing. State the contracts and operating capabilities still required.
Revenue-condition and conflict matrix
Business case with operating constraints
Investment-assumption register
Market eligibility and revenue mechanisms depend on current local rules and project contracts.
IEA estimate published in May 2026 covering all energy technologies; it is not completed investment.
2026 estimate · global energy investmentGlobal additions and refurbishment required by 2040 in the scenario where national energy and climate goals are met on time and in full; not approved projects.
2023 study · goal-aligned scenarioIEA Global Energy Review 2026 describes 2025 global electricity-demand growth as nearly 3%; regional and sectoral patterns differ.
2025 observed change · global