From d7a290df31737f3127e05868c83ff7cb36ddd7f2 Mon Sep 17 00:00:00 2001 From: Fabian Neumann Date: Fri, 6 Aug 2021 15:51:07 +0200 Subject: [PATCH] add release note --- doc/release_notes.rst | 8 ++++++++ doc/spatial_resolution.rst | 2 +- 2 files changed, 9 insertions(+), 1 deletion(-) diff --git a/doc/release_notes.rst b/doc/release_notes.rst index bd99ce16..a24ccb7c 100644 --- a/doc/release_notes.rst +++ b/doc/release_notes.rst @@ -60,6 +60,14 @@ Future release These are included in the environment specifications of PyPSA-Eur. * Consistent use of ``__main__`` block and further unspecific code cleaning. * Distinguish costs for home battery storage and inverter from utility-scale battery costs. +* Add option to regionally resolve CO2 storage and add CO2 pipeline transport because geological storage potential, + CO2 utilisation sites and CO2 capture sites may be separated. + The CO2 network is built from zero based on the topology of the electricity grid (greenfield). + Pipelines are assumed to be bidirectional and lossless. + Furthermore, neither retrofitting of natural gas pipelines (required pressures are too high, 80-160 bar vs <80 bar) + nor other modes of CO2 transport (by ship, road or rail) are considered. + The regional representation of CO2 is activated with the config setting ``sector: co2_network: true`` but is deactivated by default. + The global limit for CO2 sequestration now applies to the sum of all CO2 stores via an ``extra_functionality`` constraint. diff --git a/doc/spatial_resolution.rst b/doc/spatial_resolution.rst index 1be9f3ad..13e94543 100644 --- a/doc/spatial_resolution.rst +++ b/doc/spatial_resolution.rst @@ -48,7 +48,7 @@ Solid biomass: single node for Europe, until transport costs can be incorporated. CO2: single node for Europe, but a transport and storage cost is added for -sequestered CO2. +sequestered CO2. Optionally: nodal, with CO2 transport via pipelines. Liquid hydrocarbons: single node for Europe, since transport costs for liquids are low.