Baseload

Imagine if we lived in a world where constant sunshine, flowing rivers, steady wind, abundant forests, and hot rock beneath our feet were equally accessible resources able to instantly power our around-the-clock energy demands. Alas, we do not live in a perfect world, and sometimes the sun doesn't shine and the wind doesn't blow.
Offshore

On Friday, National Grid and Cape Wind announced that they will file a contract with the Massachusetts Department of Public Utilities (DPU) on Monday under which National Grid will buy power from the nation's first large-scale, offshore wind farm, which is expected to come online by the end of 2012. This follows the recent decision from U.S. Interior Secretary Ken Salazar to approve the project.
Offshore

Massachusetts Governor Deval Patrick this week announced that National Grid and Cape Wind have agreed to enter into negotiations for a long-term contract under which the utility would purchase the electricity generated by Cape Wind. The Power Purchase Agreement (PPA) is expected to be a critical requirement for financing the proposed offshore wind farm in Nantucket Sound. The PPA still has to go through state regulatory review.
Solar

National Grid announced that it has made an informational filing with the Massachusetts Department of Public Utilities for its plan to develop and own 5 megawatts (MW) of new solar generation capacity in the state. The company is the first in Massachusetts to present its proposal under the state's new Green Communities Act, which calls for utilities to develop and own up to 50 megawatts (MW) of solar generating facilities by 2010.
Hydropower

[Telegraph.co.uk] Tidal power has been harnessed to generate electricity for Britain’s National Grid for the first time, it has been announced. The move has been hailed as a milestone in the development of marine energy, which could provide up to a fifth of Britain’s electricity needs.
Solar

The Nevada company, Augrid, is focusing its efforts to speed up its planned entry into the energy sector through a roll-out of Solar Fields nationwide. It reports that it is in advanced negotiations with a large manufacturer with the aim of boosting annual revenue to US$2.8 million.