Everything else the row carries (category-specific columns, IDs, ...).
OptionalAnlagenbetreiberOptionalAnlagenbetreiberOperator name (often anonymised).
OptionalBetriebsOptionalBetriebsOperating status name, e.g. "In Betrieb".
OptionalBreitengradLatitude (may be withheld for small units).
OptionalBruttoleistungGross capacity in kW.
OptionalBundeslandOptionalEinheitDisplay name of the unit.
OptionalEinheitRegistration date in MaStR.
OptionalEndgueltigeFinal decommissioning date, if any.
OptionalEnergietraegerOptionalEnergietraegerEnergy carrier name, e.g. "Solare Strahlungsenergie".
OptionalGemeindeOptionalIdOptionalInbetriebnahmeCommissioning date.
OptionalLaengengradLongitude (may be withheld for small units).
OptionalLandkreisOptionalMaThe unit's MaStR number, e.g. "SEE984033548619".
OptionalNettonennleistungNet rated capacity in kW.
OptionalNetzbetreiberGrid operator name(s).
OptionalOrtOptionalPlz
A unit ("Einheit") record. The API returns a very wide row (~90 fields) whose populated columns vary by category (a solar unit carries module fields a gas consumer does not), so only the broadly-useful, category-independent fields are typed; the index signature carries the rest. Natural-person and confidential data are withheld upstream, so operator names may be anonymised (e.g.
"natürliche Person (ABR…)").