Sourced explainers for developers, investors, lenders and energy buyers. Each article answers one question, cites its primary sources and shows when it was last updated.
Grid and policy
MEKH's 702 MVA wind grid-capacity tender closes on 30 Oct 2026. Nine nodes, 100-point scoring, bonds, and what storage and solar owners can and cannot do.
11 min read
Grid and policy
Hungary Decree 131/2026 (VIII. 28.) amends seven decrees: new storage-levy exemptions, battery notification rules and permitting changes. KÁT and METÁR are unchanged.
9 min read
Grid and policy
KÁT is the closed fixed-price scheme, METÁR the tender-won green premium, METÁROLÓ the grid-battery grant. Who can join in 2026, what each pays and for how long.
11 min read
Grid and policy
Hungarian rules let a solar park add storage or wind behind its grid connection within existing injection capacity. What the 2026 rules and the wind tender allow.
10 min read
Energy storage
How battery storage makes money in Hungary: arbitrage on HUPX, FCR, aFRR, mFRR and imbalance, and what MAVIR joining PICASSO and MARI in October 2026 changed.
11 min read
Energy storage
SolServices is adding a 150 MW / 300 MWh Huawei battery portfolio at its Hungarian solar parks: the reasons, the market data behind them and what it means for owners.
6 min read
Markets and PPAs
Pay-as-produced vs pay-as-nominated PPA: who carries volume, profile and cannibalisation risk, and where providers disagree. Risk table and two Hungarian deals.
10 min read
Markets and PPAs
Hungary's solar capture rate fell from about 90% in 2020 and 2021 to 57.5% in 2025 on public data (Montel: 55% in H1 2025). Negative-price hours and a 50 MWp example.
12 min read
Finance and investment
Solar park loan DSCR in Hungary: how banks size debt with P90 yield, a DSRA and merchant haircuts, how KÁT, METÁR and merchant revenue differ, and SolServices' loans.
11 min read
Finance and investment
How to buy a solar park in Hungary: share vs asset deals, due diligence, MEKH licence transfer, KÁT and METÁR support, FDI screening and the state pre-emption right.
11 min read
Operations
Five operating decisions for a Hungarian solar park: curtailment, scheduling, O&M, availability and hedging, and the data each depends on. A framework, October 2026.
8 min read